Pin dependencies (#4)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/release.yaml

@@ -28,12 +28,12 @@ jobs:
           git config --global user.email "team@jellyfin.org"
 
       - name: Install Helm
-        uses: azure/setup-helm@v4
+        uses: azure/setup-helm@fe7b79cd5ee1e45176fcad797de68ecaf3ca4814 # v4
         env:
           GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
 
       - name: Run chart-releaser
-        uses: helm/chart-releaser-action@v1.6.0
+        uses: helm/chart-releaser-action@a917fd15b20e8b64b94d9158ad54cd6345335584 # v1.6.0
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
         with: