Python: Add change-note

RasmusWL · RasmusWL · commit d0fd907582f6 · 2021-10-20T17:03:55.000+02:00
I reworded this slightly from what was done in C++, such that I can
completely stand behind what it says.
diff --git a/python/change-notes/2021-10-20-extraction-errors-as-warnings.md b/python/change-notes/2021-10-20-extraction-errors-as-warnings.md
@@ -0,0 +1,2 @@
+codescanning
+* Problems with extraction that in most cases won't completely break the analysis are now reported as warnings rather than errors.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+codescanning`
	`2`	`+* Problems with extraction that in most cases won't completely break the analysis are now reported as warnings rather than errors.`