ci: bump GitHub Actions to Node.js 24-compatible versions

checkout v4 -> v6, setup-helm v4 -> v5, chart-releaser-action v1.6.0 -> v1.7.0

Author: mbillow

.github/workflows/chart-release.yml

@@ -13,9 +13,9 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
-      - uses: azure/setup-helm@v4
+      - uses: azure/setup-helm@v5
 
       - name: Lint (default values)
         run: helm lint chart/
@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0  # chart-releaser needs full history to diff versions
 
@@ -43,10 +43,10 @@ jobs:
           git config user.name "$GITHUB_ACTOR"
           git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
 
-      - uses: azure/setup-helm@v4
+      - uses: azure/setup-helm@v5
 
       - name: Run chart-releaser
-        uses: helm/chart-releaser-action@v1.6.0
+        uses: helm/chart-releaser-action@v1.7.0
         with:
           # chart/ lives at the repo root, so charts_dir=. lets cr find it
           # via ./*/Chart.yaml without touching Go source directories.