Update python/ql/lib/CHANGELOG.md

Author: MathiasVP

python/ql/lib/CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ### Breaking Changes
 
- * The imports made available from `import python` are no longer exposed under `DataFlow::` after doing `import semmle.python.dataflow.new.DataFlow`, for example using `DataFlow::Add` will now cause a compile error.
+* The imports made available from `import python` are no longer exposed under `DataFlow::` after doing `import semmle.python.dataflow.new.DataFlow`, for example using `DataFlow::Add` will now cause a compile error.
 
 ### Minor Analysis Improvements