Add Jason as an owner of configparser to coordinate backport concerns. (

python#115885)

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

.github/CODEOWNERS

@@ -249,3 +249,7 @@ Lib/test/test_interpreters/   @ericsnowcurrently
 # SBOM
 /Misc/sbom.spdx.json          @sethmlarson
 /Tools/build/generate_sbom.py @sethmlarson
+
+# Config Parser
+Lib/configparser.py           @jaraco
+Lib/test/test_configparser.py @jaraco