[eclipse-texlipse#109] Restore pipeline

Use GitHub actions as temporary solution

.github/workflows/ci.yml

@@ -0,0 +1,57 @@
+###############################################################################
+# Copyright (c) 2024 ArSysOp and others
+#
+# This program and the accompanying materials are made available under the
+# terms of the Eclipse Public License 2.0 which is available at
+# https://www.eclipse.org/legal/epl-2.0/.
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#     Alexander Fedorov (ArSysOp) - initial API and implementation
+###############################################################################
+
+# This workflow does regular Maven build from the root.
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up JDK 17
+      uses: actions/setup-java@v4
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+    - name: Set up Maven
+      uses: stCarolas/[email protected]
+      with:
+        maven-version: 3.9.4
+    - name: Configure Maven
+      run: echo "MAVEN_OPTS='-Xmx2048m'" > ~/.mavenrc
+    - name: Cache maven repo
+      uses: actions/cache@v2
+      env:
+        cache-name: cache-maven-repo
+      with:
+        # maven files are stored in `~/.m2/repository` on Linux/macOS
+        path: |
+          ~/.m2/repository
+          !~/.m2/repository/org/eclipse/texlipse
+          !~/.m2/repository/.cache/tycho
+        key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/*.sha1') }}
+        restore-keys: |
+          ${{ runner.os }}-build-${{ env.cache-name }}-
+          ${{ runner.os }}-build-
+          ${{ runner.os }}-
+    - name: Build with Maven
+      run: mvn clean verify --no-transfer-progress -U -e -Daether.connector.https.securityMode=insecure