build(deps): bump golang.org/x/tools from 0.20.0 to 0.21.0

[dependabot[bot]]

Bumps golang.org/x/tools from 0.20.0 to 0.21.0.

Commits

• cc29c91 go.mod: update golang.org/x dependencies
• 397fef9 gopls/internal/protocol: add links to LSP spec
• e2a352c internal/refactor/inline: extensible API
• c16c816 go/analysis/passes/stdversion: test *.go < go.mod version
• 629a7be go/analysis/analysistest: stricter errors and GOWORK setting
• 4db1697 go/packages/packagestest: fold modules_111.go into modules.go
• ccdef3c gopls/internal/golang: fix nil panic in InlayHint
• 74c9cfe go/analysis: add Pass.ReadFile
• 5ef4fc9 gopls/internal/golang/completion: fix the isEmptyInterface predicate
• 77f691b internal/gcimporter: use Alias.Rhs, not unsafe hack
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)