CI: remove unused worklow; use GITHUB_TOKEN where possible (#104657)

* remove unused worklow; use GITHUB_TOKEN where possible

* pin usages of checkout and setup-go

* Fix zizmor errors

* add zizmor.yml

* fix `changelog.yml`

* fix `core-plugins-build-and-release.yml`

* fix `release-comms.yml`

* update release-pr.yml and run-e2e-suite.yml

* Fix errors in files outside of .github/workflows

* Remove path filter on zizmor.yml

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Co-authored-by: Sven Grossmann <svennergr@gmail.com>
Co-authored-by: joshhunt <josh.hunt@grafana.com>

.github/workflows/pr-checks.yml

@@ -36,6 +36,7 @@ jobs:
           repository: "grafana/grafana-github-actions"
           path: ./actions
           ref: main
+          persist-credentials: false
       - name: Install Actions
         run: npm install --production --prefix ./actions
       - name: Run PR Checks