Chore/dependabot weekly schedule

.github/dependabot.yaml

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+version: 2
+updates:
+  - package-ecosystem: "maven"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "sunday"
+      time: "07:00"
+    groups:
+      google-annotations:
+        patterns:
+          - "com.google.auto.value:*"
+          - "com.google.auto.service:*"
+          - "com.google.errorprone:*"
+      test-dependencies:
+        patterns:
+          - "junit:*"
+          - "com.google.truth:*"
+          - "com.google.guava:guava-testlib"
+      maven-plugins:
+        patterns:
+          - "org.apache.maven.plugins:*"
+          - "org.apache.felix:maven-bundle-plugin"
+          - "org.codehaus.mojo:*"
+          - "org.graalvm.buildtools:*"
+          - "org.sonatype.central:*"
+          - "com.google.code.maven-replacer-plugin:*"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "sunday"
+      time: "07:00"

.github/workflows/ci.yaml

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+# Copyright 2020 The Google Java Format Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  test-OpenJDK:
+    name: "JDK ${{ matrix.java }} on ${{ matrix.os }}"
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        java: [25]
+        experimental: [false]
+        include:
+          # Only test on MacOS and Windows with a single recent JDK to avoid a
+          # combinatorial explosion of test configurations.
+          - os: macos-latest
+            java: 25
+            experimental: false
+          - os: windows-latest
+            java: 25
+            experimental: false
+          - os: ubuntu-latest
+            java: EA
+            experimental: true
+    runs-on: ${{ matrix.os }}
+    continue-on-error: ${{ matrix.experimental }}
+    steps:
+      - name: Cancel previous
+        uses: styfle/cancel-workflow-action@0.12.1
+        with:
+          access_token: ${{ github.token }}
+      - name: "Check out repository"
+        uses: actions/checkout@v5
+      - name: "Set up JDK ${{ matrix.java }} from jdk.java.net"
+        if: ${{ matrix.java == 'EA' }}
+        uses: oracle-actions/setup-java@v1
+        with:
+          website: jdk.java.net
+          release: ${{ matrix.java }}
+      - name: "Set up JDK ${{ matrix.java }} from Zulu"
+        if: ${{ matrix.java != 'EA' && matrix.java != 'GraalVM' }}
+        uses: actions/setup-java@v4
+        with:
+          java-version: ${{ matrix.java }}
+          distribution: "zulu"
+          cache: "maven"
+      - name: "Install"
+        shell: bash
+        run: mvn install -DskipTests=true -Dmaven.javadoc.skip=true -B -V
+      - name: "Test"
+        shell: bash
+        run: mvn test -B

.github/workflows/github-release.yaml

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+name: Release on GitHub
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v5
+
+      - name: "Set up JDK 25 from Zulu"
+        uses: actions/setup-java@v4
+        with:
+          java-version: 25
+          distribution: "zulu"
+
+      - name: Build with Maven
+        run: mvn verify -DskipTests=true -Dmaven.javadoc.skip=true -B -V
+
+      - name: Create GitHub Release
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release create "${{ github.ref_name }}" \
+            --title "${{ github.ref_name }}" \
+            --generate-notes \
+            core/target/*-all-deps.jar