Remove parent.

.github/workflows/snapshot.yaml

@@ -0,0 +1,36 @@
+name: Snapshot
+
+"on":
+  workflow_dispatch: {}
+  push: {}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-java@v2
+        with:
+          distribution: temurin
+          java-version: 11
+          cache: maven
+          server-id: sonatype-nexus
+          server-username: SERVER_USERNAME
+          server-password: SERVER_PASSWORD
+      - run: mvn -B dependency:go-offline -q
+      - run: mvn -B verify
+        if: github.ref != 'refs/heads/main'
+      - run: mvn -B deploy
+        if: github.ref == 'refs/heads/main'
+        env:
+          SERVER_USERNAME: ${{ secrets.SONATYPE_NEXUS_USERNAME }}
+          SERVER_PASSWORD: ${{ secrets.SONATYPE_NEXUS_PASSWORD }}
+      - uses: dorny/test-reporter@v1
+        if: failure()
+        with:
+          name: surefire
+          path: '*/target/surefire-reports/*.xml'
+          reporter: java-junit
+          list-suites: failed
+          list-tests: failed
+          fail-on-error: false