chore(helm): lint and test chart

Create a GitHub Action that lints the Helm chart and tests installing to
a KinD cluster.

Bug: #90

.github/workflows/charts.yaml

@@ -0,0 +1,35 @@
+name: Test Charts
+on:
+  - pull_request
+  - push
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+jobs:
+  chart-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: azure/setup-helm@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.11"
+          check-latest: true
+      - uses: helm/chart-testing-action@v2
+      - name: chart-testing (list-changed)
+        id: list-changed
+        run: |
+          changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }} --chart-dirs deploy/charts)
+          if [[ -n "$changed" ]]; then
+            echo "changed=true" >> "$GITHUB_OUTPUT"
+          fi
+      - name: chart-testing (lint)
+        # if: steps.list-changed.outputs.changed == 'true'
+        run: ct lint --target-branch ${{ github.event.repository.default_branch }} --chart-dirs deploy/charts
+      - uses: helm/kind-action@v1
+        # if: steps.list-changed.outputs.changed == 'true'
+      - name: chart-testing (install)
+        # if: steps.list-changed.outputs.changed == 'true'
+        run: ct install --target-branch ${{ github.event.repository.default_branch }} --chart-dirs deply/charts

.github/workflows/docker.yaml

@@ -2,6 +2,9 @@ name: Docker
 on:
   - pull_request
   - push
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
 jobs:
   docker:
     runs-on: ubuntu-latest

.github/workflows/tests.yaml

@@ -2,13 +2,16 @@ name: Test
 on:
   - pull_request
   - push
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
 jobs:
   unit:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: [ 'stable', 'oldstable' ]
-    name: 'Go ${{ matrix.go }} Test'
+        go: ["stable", "oldstable"]
+    name: "Go ${{ matrix.go }} Test"
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v4
@@ -21,7 +24,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v4
         with:
-          go-version: 'stable'
+          go-version: "stable"
       - uses: dominikh/staticcheck-action@v1
         with:
           build-tags: suite
@@ -35,7 +38,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v4
         with:
-          go-version: 'stable'
+          go-version: "stable"
       - run: |
           go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest
           source <(setup-envtest use -p env)

deploy/charts/origin-ca-issuer/Chart.yaml

@@ -1,9 +1,11 @@
 apiVersion: v1
 name: origin-ca-issuer
-version: 0.5.1
+version: 0.5.2
 appVersion: 0.6.1
 description: A Helm chart for origin-ca-issuer
 home: https://github.com/cloudflare/origin-ca-issuer
+maintainers:
+  - name: terinjokes
 keywords:
   - cert-manager
   - cloudflare