Add releaser workflow

Author: tolauwae

.github/workflows/releaser.yml

@@ -0,0 +1,38 @@
+name: Publish new release
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Release version'
+        required: true
+        default: 'warning'
+        type: string
+
+jobs:
+  create-release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: "Update version"
+        run: |
+          sed -i "s/\(project(WARDuino VERSION \)[0-9]\+\.[0-9]\+\.[0-9]\+/\1$VERSION/" CMakeLists.txt
+          sed -i "s/\(version=\)[0-9]\+\.[0-9]\+\.[0-9]\+/\1$VERSION/" library.properties
+        env:
+          VERSION: ${{ inputs.version }}
+
+      - name: Update metadata
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          #git add CMakeLists.txt library.properties
+
+      - name: Create pull request
+        uses: peter-evans/create-pull-request@v7
+        with:
+          commit-message: "🔖 Bump version to ${{ inputs.version }}"
+          branch: release
+          title: "Release for ${{ inputs.version }}"
+          body: "This is an automated PR for the next release, version: ${{ inputs.version }}."
+