Add CI support for re-build by jackson-core push

Author: cowtowncoder

.github/workflows/dep_build.yml

@@ -0,0 +1,31 @@
+name: Re-build on jackson-core push
+on:
+  repository_dispatch:
+    types: [jackson-core-pushed]
+  # just for testing
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    # Do we want wide matrix build? For now, limited
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        java_version: ['8', '17', '21']
+        os: ['ubuntu-22.04']
+    env:
+      JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
+    steps:
+    - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
+    - name: Set up JDK
+      uses: actions/setup-java@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9 # v4.2.1
+      with:
+        distribution: 'temurin'
+        java-version: ${{ matrix.java_version }}
+        cache: 'maven'
+    - name: Build and test
+      run: ./mvnw -B -ff -ntp verify