ci: use custom conventional commit prefixes + don't enforce

.github/workflows/release-please.yml

@@ -20,6 +20,7 @@ jobs:
         token: ${{ secrets.GH_TOKEN_FOR_UPDATES }}
         release-type: simple
         signoff: "Marc Jakobi<[email protected]>"
+        changelog-types: '[{"type":"feat","section":"Features","hidden":false},{"type":"fix","section":"Bug Fixes","hidden":false},{"type":"deps","section":"Dependencies","hidden":false}]'
     - uses: actions/checkout@v4
     - name: auto-merge
       uses: reitermarkus/automerge@v2

.github/workflows/update.yml

@@ -21,7 +21,7 @@ jobs:
         uses: DeterminateSystems/update-flake-lock@v20
         with:
           token: ${{ secrets.GH_TOKEN_FOR_UPDATES }}
-          pr-title: "fix(dependencies): update flake.lock" # Title of PR to be created
+          pr-title: "deps: update flake.lock" # Title of PR to be created
           pr-labels: |                  # Labels to be set on the PR
             dependencies
             automated

CONTRIBUTING.md

@@ -4,5 +4,17 @@ Contributions are more than welcome!
 
 ## Commit messages / PR titles
 
-This project uses [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/).
-Please make sure your PR title matches the [`angular` preset](https://github.com/conventional-changelog/conventional-changelog/tree/master/packages/conventional-changelog-angular).
+This project uses [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/)
+for PR titles, which become the commit messages after a squash merge.
+
+The most important prefixes you should have in mind are:
+
+- `feat:` which represents a new feature, and correlates to a [SemVer](https://semver.org/)
+  minor.
+- `fix:` which represents bug fixes, and correlates to a SemVer patch.
+- `deps:` which represents dependency updates, and correlates to a SemVer patch.
+- `feat!:`, or `fix!:`, `refactor!:`, etc., which represent a breaking change
+  (indicated by the !).
+- `docs:` which represents documentation, and does not correlate to a version bump.
+- `chore:` which represents miscellaneous changes,
+  and does not correlate to a version bump.