chore: Automate release process with melos-action

.github/workflows/release-prepare.yml

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+name: Prepare Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      prerelease:
+        description: 'Version as prerelease'
+        required: false
+        default: false
+        type: boolean
+      graduate:
+        description: 'Graduate prereleases to stable'
+        required: false
+        default: false
+        type: boolean
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  prepare-release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+
+      - name: Setup Melos
+        uses: bluefireteam/melos-action@v3
+        with:
+          run-versioning: ${{ inputs.prerelease == false }}
+          run-versioning-prerelease: ${{ inputs.prerelease == true }}
+          run-versioning-graduate: ${{ inputs.graduate == true }}
+          publish-dry-run: true
+          create-pr: true

.github/workflows/release-publish.yml

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+name: Publish Packages
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  id-token: write
+
+jobs:
+  publish-packages:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+
+      - name: Publish to pub.dev
+        uses: bluefireteam/melos-action@v3
+        with:
+          publish: true
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v1
+        with:
+          tag_name: ${{ github.ref_name }}
+          name: Release ${{ github.ref_name }}
+          body: |
+            ## Package Release
+
+            Released package: ${{ github.ref_name }}
+
+            See the package CHANGELOG for detailed changes.
+
+            ---
+            *This release was created automatically by the Publish Packages workflow.*
+          draft: false
+          prerelease: false
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/release-tag.yml

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+name: Create Release Tags
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+  actions: write
+
+jobs:
+  create-tags:
+    if: ${{ contains(github.event.head_commit.message, 'chore(release):') }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+
+      - name: Setup Melos
+        uses: bluefireteam/melos-action@v3
+        with:
+          tag: true
+      - run: |
+          melos exec -c 1 --no-published --no-private --order-dependents -- \
+          gh workflow run release-publish.yml \
+          --ref \$MELOS_PACKAGE_NAME-v\$MELOS_PACKAGE_VERSION
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}