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

---------

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

.github/workflows/pr-k8s-codegen-check.yml

@@ -19,10 +19,12 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+      with:
+        persist-credentials: false
 
     - name: Set go version
-      uses: actions/setup-go@v4
+      uses: actions/setup-go@19bb51245e9c80abacb2e91cc42b33fa478b8639
       with:
         go-version-file: go.mod
 
@@ -36,4 +38,4 @@ jobs:
           git diff
           echo "Please run './hack/update-codegen.sh' and commit the changes."
           exit 1
-        fi
+        fi