Add dependabot config and snapshot workflow

Author: radoslaw-panuszewski

.github/dependabot.yml

@@ -0,0 +1,12 @@
+version: 2
+
+updates:
+  - package-ecosystem: "gradle"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/ci.yml

@@ -7,6 +7,10 @@ on:
     branches:
       - main
 
+permissions:
+  contents: write
+  pull-requests: write
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
@@ -16,8 +20,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
 
       - uses: actions/setup-java@v5
         with:
@@ -35,7 +37,4 @@ jobs:
         with:
           report_paths: '**/test-results/*/*.xml'
 
-      - run: ./gradlew publish
-        env:
-          SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
-          SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
+      - uses: allegro-actions/dependabot-automerge@v1

.github/workflows/release.yml

@@ -9,6 +9,10 @@ on:
 env:
   JRELEASER_GITHUB_TOKEN: ${{ github.token }}
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   release:
     runs-on: ubuntu-latest

.github/workflows/snapshot.yml

@@ -0,0 +1,27 @@
+name: Snapshot
+
+on: workflow_dispatch
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  snapshot:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-java@v5
+        with:
+          java-version: 21
+          distribution: temurin
+
+      - uses: gradle/actions/setup-gradle@v5
+
+      - run: ./gradlew publish
+        env:
+          SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
+          SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}