doc(crate): improved doc for version update process

CONTRIBUTING.md

@@ -29,14 +29,16 @@ and no one is already working on the same thing.
 
 If you are unsure, feel free to open an [issue](https://github.com/tamasfe/aide/issues) or start a [discussion](https://github.com/tamasfe/aide/discussions)!
 
-# Changelogs
+# Updating a version (for collaborators)
 
-Changelogs are generated as follows using [git-cliff](https://git-cliff.org/docs/) (`cargo install git-cliff`), replace <crate> by the crate name (ie. aide) and <version by the next version>.
+1. Create a version bump commit
+2. Create a tag `git tag release-<crate>-<version>`
+3. Generate the changelog with `cargo install git-cliff`:  
 Make sure you delete the old `# Changelog` title in the changelog file.
-
 ```sh
-git cliff --config "crates/<crate>/cliff.toml" --include-path "crates/<crate>/**/*" --unreleased --tag <version> --prepend crates/<crate>/CHANGELOG.md
+git cliff --config "crates/<crate>/cliff.toml" --include-path "crates/<crate>/**/*" --current --prepend crates/<crate>/CHANGELOG.md
 ```
+4. push the commits and the tag: `git push` and `git push origin release-<crate>-<version>`
 
 # License