fix: Use loop in FindByCommit::next to avoid stack overflow

Use an iterative loop with `return` and `continue` to avoid stack overflow.
A stack overflow could have occurred due to the recursion, and
potentially many jobs.

CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixes
+
+- Use an iterative loop to avoid stack overflow, through recursion, when using
+  `FindByCommit` iterator.
+
 ## 0.5.0
 
 ### Highlights