Meta: Reduce CODEOWNERS for hugovk (#3716)

Author: hugovk

.github/CODEOWNERS

@@ -6,8 +6,8 @@
 *             @python/pep-editors
 
 # PEP infrastructure
+.github/dependabot.yml  @hugovk
 .github/workflows/      @AA-Turner @CAM-Gerlach
-.github/                @hugovk
 Makefile                @AA-Turner @hugovk
 requirements.txt        @AA-Turner @hugovk
 infra/                  @ewdurbin