Migration from zuul checks to github actions

.github/workflows/labels.yaml

@@ -0,0 +1,45 @@
+name: run tests
+
+on:
+  pull_request:
+    types:
+      - labeled
+
+jobs:
+  acc_tests:
+    name: acceptance tests
+    runs-on: ubuntu-22.04
+    environment: tests
+    if: ${{ contains(fromJSON('["post", "gate"]'),  github.event.label.name) }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.20"
+      - run: make acceptance
+        env:
+          OS_AUTH_URL: ${{ secrets.AUTH_URL }}
+          OS_DOMAIN_NAME: ${{ secrets.USER_DOMAIN_NAME }}
+          OS_PASSWORD: ${{ secrets.PASSWORD }}
+          OS_USERNAME: ${{ secrets.USERNAME }}
+          OS_PROJECT_NAME: ${{ vars.FUNCTEST_PROJECT_NAME }}
+          OS_REGION: "eu-de"
+  merge:
+    runs-on: ubuntu-latest
+    name: merge branch into devel
+    environment: github
+    needs:
+      - acc_tests
+    if: ${{ github.event.label.name == 'gate' && success() }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: kattecon/gh-app-access-token-gen@v1
+        id: gen_token
+        with:
+          app_id: ${{ secrets.APP_ID }}
+          private_key: ${{ secrets.APP_KEY }}
+      - uses: devmasx/merge-branch@master
+        with:
+          label_name: 'gate'
+          target_branch: 'devel'
+          github_token: ${{ steps.gen_token.outputs.token }}

.github/workflows/otc-golangci-lint.yaml

@@ -0,0 +1,41 @@
+name: check code quality
+
+on:
+  pull_request:
+    types:
+      - opened
+      - edited
+      - synchronize
+      - labeled
+
+jobs:
+  lint:
+    name: run golangci-lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.20"
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: v1.53.3
+  vet:
+    name: run go vet
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.20"
+      - run: make vet
+  unit_tests:
+    name: run unit tests
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.20"
+      - run: make test