misc: add test workflow for gateway helm

.github/workflows/release_helm_gateway.yaml

@@ -1,27 +1,70 @@
 name: Release Gateway Helm Chart
 on:
-    workflow_dispatch:
+  workflow_dispatch:
 
 jobs:
-    release-helm:
-        name: Release Helm Chart
-        runs-on: ubuntu-latest
-        steps:
-            - name: Checkout
-              uses: actions/checkout@v4
+  test-helm:
+    name: Test Helm Chart
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
 
-            - name: Install Helm
-              uses: azure/setup-helm@v3
-              with:
-                  version: v3.10.0
+      - name: Set up Helm
+        uses: azure/setup-helm@v4.2.0
+        with:
+          version: v3.17.0
 
-            - name: Install python
-              uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5.3.0
+        with:
+          python-version: "3.x"
+          check-latest: true
 
-            - name: Install Cloudsmith CLI
-              run: pip install --upgrade cloudsmith-cli
+      - name: Set up chart-testing
+        uses: helm/chart-testing-action@v2.7.0
 
-            - name: Build and push helm package to CloudSmith
-              run: cd helm-charts && sh upload-gateway-cloudsmith.sh
-              env:
-                  CLOUDSMITH_API_KEY: ${{ secrets.CLOUDSMITH_API_KEY }}
+      - name: Run chart-testing (lint)
+        run: ct lint --config ct.yaml --charts helm-charts/infisical-gateway
+
+      - name: Create kind cluster
+        uses: helm/kind-action@v1.12.0
+
+      - name: Create namespace
+        run: kubectl create namespace infisical-gateway
+
+      - name: Create gateway secret
+        run: kubectl create secret generic infisical-gateway-environment --from-literal=TOKEN=my-test-token -n infisical-gateway
+
+      - name: Run chart-testing (install)
+        run: |
+          ct install \
+            --config ct.yaml \
+            --charts helm-charts/infisical-gateway \
+            --helm-extra-args="--timeout=300s" \
+            --namespace infisical-gateway
+
+  release-helm:
+    name: Release Helm Chart
+    needs: test-helm
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Helm
+        uses: azure/setup-helm@v3
+        with:
+          version: v3.10.0
+
+      - name: Install python
+        uses: actions/setup-python@v4
+
+      - name: Install Cloudsmith CLI
+        run: pip install --upgrade cloudsmith-cli
+
+      - name: Build and push helm package to CloudSmith
+        run: cd helm-charts && sh upload-gateway-cloudsmith.sh
+        env:
+          CLOUDSMITH_API_KEY: ${{ secrets.CLOUDSMITH_API_KEY }}