chore: update golang/tools/guru v0.19.0 to v0.20.0

[aquaproj-aqua-registry]

v0.20.0 compare
This pull request was created by aqua-registry-updater.

[suzuki-shunsuke]

https://github.com/aquaproj/aqua-registry/actions/runs/8562134234/job/23464780084?pr=21617

INFO[0000] Installing a Go tool                          aqua_version=2.25.2 env=linux/amd64 go_package_path=golang.org/x/tools/cmd/guru@v0.20.0 gobin=/home/runner/.local/share/aquaproj-aqua/pkgs/go_install/golang.org/x/tools/cmd/guru/v0.20.0/bin package_name=golang/tools/guru package_version=v0.20.0 program=aqua registry=standard
go: downloading golang.org/x/tools v0.20.0
go: golang.org/x/tools/cmd/guru@v0.20.0: module golang.org/x/tools@v0.20.0 found, but does not contain package golang.org/x/tools/cmd/guru
ERRO[0001] install the package                           aqua_version=2.25.2 env=linux/amd64 error="build Go tool: install a go package: exit status 1" package_name=golang/tools/guru package_version=v0.20.0 program=aqua registry=standard
FATA[0001] aqua failed                                   aqua_version=2.25.2 env=linux/amd64 error="it failed to install some packages" program=aqua
Error: Process completed with exit code 1.

[suzuki-shunsuke]

guru was deleted.

• golang/tools@1f580da
• x/tools/cmd/guru: tag and delete golang/go#65880

RIP guru, Go's LSP server before LSP was invented.
Fixes golang/go#65880