Add cascading rebuild receiver

Author: cowtowncoder

.github/workflows/dep_build_v2.yml

@@ -0,0 +1,32 @@
+name: Re-build on jackson-databind v2 push
+on:
+  repository_dispatch:
+    types: [jackson-databind-pushed]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    # Do we want wide matrix build? For now, limited
+    runs-on: 'ubuntu-22.04'
+    strategy:
+      fail-fast: false
+      matrix:
+        java_version: ['11', '17']
+    env:
+      JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
+    steps:
+    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      with
+        ref: 2.x
+    - name: Set up JDK
+      uses: actions/setup-java@3a4f6e1af504cf6a31855fa899c6aa5355ba6c12 # v4.7.0
+      with:
+        distribution: 'temurin'
+        java-version: ${{ matrix.java_version }}
+        cache: 'maven'
+    - name: Build and test
+      run: ./mvnw -B -ff -ntp clean verify
+
+# No recursive rebuild (yet?)