Introduce helm chart automatic release workflow

.github/configs/cr.yaml

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+pages-branch: gh-pages
+release-name-template: "v{{ .Version }}"
+release-notes-file: CHANGELOG.md

.github/workflows/helm-chart-release.yaml

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+name: Release Helm Chart
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'helm/**'
+
+jobs:
+  release:
+    if: false
+    permissions:
+      contents: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Install Helm
+        if: true
+        uses: azure/setup-helm@v3
+        with:
+          token: ${{ github.token }}
+
+      - name: Add dependencies
+        if: true
+        run: |
+          helm repo add bitnami https://charts.bitnami.com/bitnami
+
+      - name: Configure git
+        run: |
+          git config user.name "${{ github.actor }}"
+          git config user.email "${{ github.actor }}@users.noreply.github.com"
+
+      - name: Semantic Release
+        id: semantic-release
+        uses: cycjimmy/semantic-release-action@v4
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          semantic_version: 19.0.5
+          branch: main
+          extra_plugins: |
+            semantic-release-helm3@2.9.3
+
+      - name: Run chart-releaser
+        uses: helm/chart-releaser-action@v1.6.0
+        env:
+          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+        with:
+          charts_dir: helm
+          config: .github/configs/cr.yaml
+          skip_existing: true

.github/workflows/lint-pr.yaml

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+name: "Lint PR"
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - edited
+      - synchronize
+
+permissions:
+  pull-requests: read
+
+jobs:
+  main:
+    name: Validate PR title
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/action-semantic-pull-request@v5
+        env:
+          GITHUB_TOKEN: ${{ github.token }}

.releaserc

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+{
+  "branches": ["main"],
+  "plugins": [
+    [
+      "@semantic-release/commit-analyzer",
+      {
+        "preset": "angular",
+        "parserOpts": {
+          "noteKeywords": ["BREAKING CHANGE", "BREAKING CHANGES", "BREAKING"]
+        }
+      }
+    ],
+    [
+      "@semantic-release/release-notes-generator",
+      {
+        "preset": "angular",
+        "parserOpts": {
+          "noteKeywords": ["BREAKING CHANGE", "BREAKING CHANGES", "BREAKING"]
+        },
+        "writerOpts": {
+          "commitsSort": ["subject", "scope"]
+        }
+      }
+    ],
+    [
+      '@semantic-release/changelog',
+      {
+        "changelogFile": 'helm/flowforge/CHANGELOG.md'
+      }
+    ],
+    [
+      'semantic-release-helm3',
+      {
+          chartPath: 'helm/flowforge',
+          onlyUpdateVersion: true
+      }
+    ]
+  ]
+}