[chore] fix contribution guideline link Fixes [ci skip]
@@ -8,7 +8,7 @@ Fixes #?
<!-- Link to relevant issues or discussions here -->
### Checklist
-- [ ] [Review Contribution Guidelines](https://github.com/jreleaser/jreleaser/blob/master/CONTRIBUTING.md).
+- [ ] [Review Contribution Guidelines](https://github.com/jreleaser/jreleaser/blob/master/CONTRIBUTING.adoc).
- [ ] Make sure all contributed code can be distributed under the terms of the
[Apache License 2.0](https://github.com/jreleaser/jreleaser/blob/master/LICENSE), e.g. the code was written by
you or the original code is licensed under [a license compatible to Apache License 2.0](https://apache.org/legal/resolved.html).
