Update .gitlab-ci.yml - swap out 3.12 or 3.11

.gitlab-ci.yml

@@ -16,19 +16,19 @@ python:3.10:alpine:
   script:
     - ./build.sh
 
-python:3.12:
+python:3.11:
   variables:
     IMAGE_NAME: python
-    IMAGE_TAG: "3.12"
-    SOURCE_TAG: "3.12-slim"
+    IMAGE_TAG: "3.11"
+    SOURCE_TAG: "3.11-slim"
   script:
     - ./build.sh
 
-python:3.12:alpine:
+python:3.11:alpine:
   variables:
     IMAGE_NAME: python
-    IMAGE_TAG: "3.12-alpine"
-    SOURCE_TAG: "3.12-alpine"
+    IMAGE_TAG: "3.11-alpine"
+    SOURCE_TAG: "3.11-alpine"
   script:
     - ./build.sh