Add workflow for releasing Everest chart

Signed-off-by: Mayank Shah <[email protected]>

.github/workflows/everest-release.yaml

@@ -0,0 +1,38 @@
+name: Everest Chart Release
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: "Everest version"
+        required: true
+jobs:
+  release:
+    env:
+      VERSION: ${{ github.event.inputs.version }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          sparse-checkout: |
+            charts/everest
+
+      - name: Configure Git
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "[email protected]"
+
+      - name: Prepare release
+        run: |
+          cd charts/everest
+          make release
+
+      - name: Install Helm
+        uses: azure/setup-helm@v1
+        with:
+          version: v3.4.0
+
+      - name: Run chart-releaser
+        uses: helm/[email protected]
+        env:
+          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"