deps(deps): update dependency helm to v3.21.4

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

Author: renovate[bot]

.github/workflows/test.yml

@@ -100,7 +100,7 @@ jobs:
       - name: Set up Helm
         uses: azure/setup-helm@9bc31f4ebc9c6b171d7bfbaa5d006ae7abdb4310 # v5
         with:
-          version: v3.21.3
+          version: v3.21.4
 
       - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with: