[ci] Add github test actions

Add github actions to run tests in the main and test workspace.

Author: jannowotsch

.github/workflows/tests-main-workspace.yaml

@@ -0,0 +1,25 @@
+# *******************************************************************************
+# Copyright (c) 2025 Contributors to the Eclipse Foundation
+#
+# See the NOTICE file(s) distributed with this work for additional
+# information regarding copyright ownership.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache License Version 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# SPDX-License-Identifier: Apache-2.0
+# *******************************************************************************
+
+name: Run all tests of the main workspace
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  run-all-tests:
+    name: run main workspace tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: bazelbuild/setup-bazelisk@v3
+      - run: ./scripts/run_all_tests.sh main

.github/workflows/tests-test-workspace.yaml

@@ -0,0 +1,25 @@
+# *******************************************************************************
+# Copyright (c) 2025 Contributors to the Eclipse Foundation
+#
+# See the NOTICE file(s) distributed with this work for additional
+# information regarding copyright ownership.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache License Version 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# SPDX-License-Identifier: Apache-2.0
+# *******************************************************************************
+
+name: Run tests in test workspace
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  run-all-tests:
+    name: run test workspace tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: bazelbuild/setup-bazelisk@v3
+      - run: ./scripts/run_all_tests.sh test