fix: update image URL in README to use the correct reference

Author: orestesgaolin

changelog_cli/README.md

@@ -2,7 +2,7 @@
 
 CLI to generate an opinionated changelog.
 
-<img src="https://raw.githubusercontent.com/orestesgaolin/dart_utilities/main/changelog_cli/example/screenshots/changelog_cli.png?token=GHSAT0AAAAAABWNHNTSBEDP4XHYYR5P6SSSY3GKMBQ" alt="Example usage screenshot" width="600">
+<img src="https://raw.githubusercontent.com/orestesgaolin/dart_utilities/refs/heads/main/changelog_cli/example/screenshots/changelog_cli.png" alt="Example usage screenshot" width="600">
 
 By default it just generates the changelog based on the whole git history. You can pass custom `--start` and `--end` parameters which are git refs to get a subset of changes between two commits or tags. That was my main goal with this CLI as it doesn't necessarily require semantic versioning.