chore(deps): update dependency helm to v3.21.0 (#429)

Author: renovate[bot]

.github/actions/test-charts/action.yml

@@ -20,7 +20,7 @@ runs:
     - name: Set up Helm
       uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
       with:
-        version: v3.10.0
+        version: v3.21.0
 
     - name: Set up Python
       uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6

.github/workflows/lint.yaml

@@ -29,7 +29,7 @@ jobs:
       - name: Set up Helm
         uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
         with:
-          version: v3.10.0
+          version: v3.21.0
 
       - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
         with:

.github/workflows/pre-commit.yaml

@@ -38,7 +38,7 @@ jobs:
       - name: Set up Helm
         uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
         with:
-          version: v3.17.0
+          version: v3.21.0
 
       - name: Setup helm-docs
         run: go install github.com/norwoodj/helm-docs/cmd/helm-docs@latest

.github/workflows/snyk.yaml

@@ -30,7 +30,7 @@ jobs:
       - name: Set up Helm
         uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
         with:
-          version: v3.17.0
+          version: v3.21.0
 
       - name: Render Templates for ${{ matrix.chartConfig.name }}
         run: |

.github/workflows/sync-lightspeed-configs.yaml

@@ -35,7 +35,7 @@ jobs:
       - name: Set up Helm
         uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
         with:
-          version: v3.17.0
+          version: v3.21.0
 
       - name: Set up yq
         uses: mikefarah/yq@1b9b4ac5187171d2e5e3129be0cfa827c7f9d53d # v4.53.3

.github/workflows/sync-upstream-backstage.yaml

@@ -27,7 +27,7 @@ jobs:
       - name: Set up Helm
         uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
         with:
-          version: v3.17.0
+          version: v3.21.0
 
       - name: Set up yq
         uses: mikefarah/yq@1b9b4ac5187171d2e5e3129be0cfa827c7f9d53d # v4.53.3