fixup, failing ruff pre-commit check in gen_gha_matrix_jobs.py (opendatahub-io#2487)

Author: jiridanek

ci/cached-builds/gen_gha_matrix_jobs.py

@@ -81,10 +81,12 @@ class Arm64Images(enum.Enum):
     INCLUDE = "include"
     ONLY = "only"
 
+
 class Ppc64leImages(enum.Enum):
     EXCLUDE = "exclude"
     INCLUDE = "include"
 
+
 class S390xImages(enum.Enum):
     EXCLUDE = "exclude"
     INCLUDE = "include"