x/tools/gopls: release version v0.16.0

[findleyr]

This issue tracks progress toward releasing gopls@v0.16.0

• create or update gopls-release-branch.0.16
• update go.mod/go.sum (remove x/tools replace, update x/tools version)
• tag gopls/v0.16.0-pre.1
• update Github milestone
• write release notes
• smoke test features
• tag gopls/v0.16.0
• (if vX.Y.0 release): update dependencies in master for the next release

[gabyhelp]

Similar Issues

• x/tools/gopls: release version v0.15.4 #67570
• x/tools/gopls: release version v0.15.2 #66197
• x/tools/gopls: release version v0.15.3 #66730
• x/tools/gopls: release version v0.10.0 #56211
• x/tools/gopls: release version v0.12.0 #59818

_{(Emoji vote if this was helpful or unhelpful; more detailed feedback welcome in this discussion.)}

[gopherbot]

Change https://go.dev/cl/591916 mentions this issue: all: update codereview.cfg for gopls-release-branch.0.16

[gopherbot]

Change https://go.dev/cl/592076 mentions this issue: gopls: update go.mod for v0.16.0-pre.1

[gopherbot]

Change https://go.dev/cl/592156 mentions this issue: gopls/doc/release: update gopls release notes for language support

[gopherbot]

Change https://go.dev/cl/592576 mentions this issue: gopls: expand on documentation about version support changes

[gopherbot]

Change https://go.dev/cl/593296 mentions this issue: Merge remote-tracking branch 'origin/master' into gopls-release-branch.0.16

[gopherbot]

Change https://go.dev/cl/593415 mentions this issue: gopls: update go.mod for v0.16.0-pre.2