Add workflow to run e2e tests on contributor's branch

.github/workflows/test-e2e-fork.yml

@@ -0,0 +1,57 @@
+name: Run Test E2E tests [fork]
+
+on:
+  repository_dispatch:
+    types: [ ok-to-test-command ]
+
+permissions:
+  contents: read
+
+concurrency:
+  group: e2e-fork-${{ github.event.client_payload.pull_request.number || github.run_id }}
+  cancel-in-progress: true # cancel previous job runs for the same branch
+
+jobs:
+  run-e2e-tests:
+    name: E2E (fork)
+    runs-on: ubuntu-latest
+    if: |
+      github.event_name == 'repository_dispatch' &&
+      github.event.client_payload.slash_command.args.named.sha != '' &&
+      contains(
+        github.event.client_payload.pull_request.head.sha,
+        github.event.client_payload.slash_command.args.named.sha
+      )
+    steps:
+      - uses: actions/checkout@v5
+
+      - name: Set up Go
+        uses: actions/setup-go@v6
+        with:
+          go-version-file: go.mod
+
+      - name: Install dependencies
+        run: go mod tidy
+
+      - name: Create kind cluster
+        uses: helm/kind-action@v1
+        with:
+          cluster_name: onepassword-operator-test-e2e
+
+      # Install 1Password CLI to support testhelper/op usage
+      - name: Install 1Password CLI
+        uses: 1password/install-cli-action@v2
+        with:
+          version: 2.32.0
+
+      - name: Create '1password-credentials.json' file
+        env:
+          OP_CONNECT_CREDENTIALS: ${{ secrets.OP_CONNECT_CREDENTIALS }}
+        run: |
+          echo "$OP_CONNECT_CREDENTIALS" > 1password-credentials.json
+
+      - name: Run E2E tests
+        run: make test-e2e
+        env:
+          OP_CONNECT_TOKEN: ${{ secrets.OP_CONNECT_TOKEN }}
+          OP_SERVICE_ACCOUNT_TOKEN: ${{ secrets.OP_SERVICE_ACCOUNT_TOKEN }}