GH-113464: Make Brandt a codeowner for JIT stuff (GH-114739)

.github/CODEOWNERS

@@ -21,6 +21,7 @@ configure* @erlend-aasland @corona10
 **/*context* @1st1
 **/*genobject* @markshannon
 **/*hamt* @1st1
+**/*jit* @brandtbucher
 Objects/set* @rhettinger
 Objects/dict* @methane @markshannon
 Objects/typevarobject.c @JelleZijlstra
@@ -37,7 +38,6 @@ Python/ast_opt.c @isidentical
 Python/bytecodes.c @markshannon @gvanrossum
 Python/optimizer*.c @markshannon @gvanrossum
 Lib/test/test_patma.py @brandtbucher
-Lib/test/test_peepholer.py @brandtbucher
 Lib/test/test_type_*.py @JelleZijlstra
 Lib/test/test_capi/test_misc.py @markshannon @gvanrossum
 Tools/c-analyzer/ @ericsnowcurrently