feat(ci): add automated release workflow for fast-forward and tagging

Adds a new GitHub Actions workflow that:
- Fast-forwards master branch from develop
- Creates and pushes a new release tag
- Requires manual trigger with tag name input

Signed-off-by: Dominik Willner <th33xitus@gmail.com>

.github/workflows/fast-forward.yml

@@ -1,28 +0,0 @@
-name: fast-forward
-on:
-  issue_comment:
-    types: [ created, edited ]
-jobs:
-  fast-forward:
-    # Only run if the comment contains the /fast-forward command.
-    if: |
-      contains(github.event.comment.body, '/fast-forward') &&
-      github.event.issue.pull_request &&
-      github.base_ref == 'develop'
-    runs-on: ubuntu-latest
-
-    permissions:
-      contents: write
-      pull-requests: write
-      issues: write
-
-    steps:
-      - name: Fast forwarding
-        uses: sequoia-pgp/fast-forward@v1
-        with:
-          merge: true
-          # To reduce the workflow's verbosity, use 'on-error'
-          # to only post a comment when an error occurs, or 'never' to
-          # never post a comment.  (In all cases the information is
-          # still available in the step's summary.)
-          comment: on-error

.github/workflows/pull-request.yml

@@ -1,27 +0,0 @@
-name: pull-request
-on:
-  pull_request:
-    branches:
-      - develop
-    types: [ opened, reopened, synchronize ]
-jobs:
-  check-fast-forward:
-    runs-on: ubuntu-latest
-
-    permissions:
-      contents: read
-      # We appear to need write permission for both pull-requests and
-      # issues in order to post a comment to a pull request.
-      pull-requests: write
-      issues: write
-
-    steps:
-      - name: Checking if fast forwarding is possible
-        uses: sequoia-pgp/fast-forward@v1
-        with:
-          merge: false
-          # To reduce the workflow's verbosity, use 'on-error'
-          # to only post a comment when an error occurs, or 'never' to
-          # never post a comment.  (In all cases the information is
-          # still available in the step's summary.)
-          comment: on-error

.github/workflows/release-ff-and-tag.yml

@@ -0,0 +1,33 @@
+name: Release - Fast-Forward and Tag
+on:
+  workflow_dispatch:
+    inputs:
+      tag_name:
+        description: 'Provide a tag name (e.g. v1.0.0)'
+        required: true
+        type: string
+
+jobs:
+  ff-and-tag:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          ref: 'master'
+      - name: Merge Fast Forward
+        uses: MaximeHeckel/github-action-merge-fast-forward@v1.1.0
+        with:
+          branchtomerge: origin/develop
+          branch: master
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Create and Push Tag
+        run: |
+          git tag ${{ inputs.tag_name }}
+          git push origin ${{ inputs.tag_name }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}