Pin version of ci cd (#535)

It is advised in the latest version not to use main.

Author: zoltanbedi

.github/workflows/publish.yaml

@@ -27,7 +27,7 @@ on:
 jobs:
   cd:
     name: CD
-    uses: grafana/plugin-ci-workflows/.github/workflows/cd.yml@main
+    uses: grafana/plugin-ci-workflows/.github/workflows/cd.yml@ci-cd-workflows/v4.1.0
     with:
       go-version: '1.25'
       golangci-lint-version: '2.4.0'

.github/workflows/push.yaml

@@ -14,7 +14,7 @@ on:
 jobs:
   ci:
     name: CI
-    uses: grafana/plugin-ci-workflows/.github/workflows/ci.yml@main
+    uses: grafana/plugin-ci-workflows/.github/workflows/ci.yml@ci-cd-workflows/v4.1.0
     with:
       go-version: '1.25'
       golangci-lint-version: '2.4.0'