TUN-8052: Update go to 1.21.5

Also update golang.org/x/net and google.golang.org/grpc to fix vulnerabilities,
although cloudflared is using them in a way that is not exposed to those risks

vendor/golang.org/x/net/ipv6/control_rfc2292_unix.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build darwin
-// +build darwin
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/control_rfc3542_unix.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/control_stub.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos
-// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/control_unix.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/icmp_bsd.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build aix || darwin || dragonfly || freebsd || netbsd || openbsd
-// +build aix darwin dragonfly freebsd netbsd openbsd
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/icmp_stub.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos
-// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/payload_cmsg.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/payload_nocmsg.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !zos
-// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!zos
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/sockopt_posix.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows || zos
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows zos
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/sockopt_stub.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos
-// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/sys_aix.go

@@ -4,7 +4,6 @@
 
 // Added for go1.11 compatibility
 //go:build aix
-// +build aix
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/sys_asmreq.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/sys_asmreq_stub.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows
-// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/sys_bpf.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build linux
-// +build linux
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/sys_bpf_stub.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build !linux
-// +build !linux
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/sys_bsd.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build dragonfly || netbsd || openbsd
-// +build dragonfly netbsd openbsd
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/sys_ssmreq.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build aix || darwin || freebsd || linux || solaris || zos
-// +build aix darwin freebsd linux solaris zos
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/sys_ssmreq_stub.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build !aix && !darwin && !freebsd && !linux && !solaris && !zos
-// +build !aix,!darwin,!freebsd,!linux,!solaris,!zos
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/sys_stub.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos
-// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/zsys_aix_ppc64.go

@@ -3,7 +3,6 @@
 
 // Added for go1.11 compatibility
 //go:build aix
-// +build aix
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/zsys_linux_loong64.go

@@ -2,7 +2,6 @@
 // cgo -godefs defs_linux.go
 
 //go:build loong64
-// +build loong64
 
 package ipv6
 

vendor/golang.org/x/net/ipv6/zsys_linux_riscv64.go

@@ -2,7 +2,6 @@
 // cgo -godefs defs_linux.go
 
 //go:build riscv64
-// +build riscv64
 
 package ipv6