skip and update some tests that use python 3.8

Author: emmettbutler

lib-injection/build/docker/python/dd-lib-python-init-test-protobuf-old/Dockerfile

@@ -1,4 +1,4 @@
-FROM public.ecr.aws/docker/library/python:3.8
+FROM public.ecr.aws/docker/library/python:3.9
 
 ENV PYTHONUNBUFFERED 1
 ENV DJANGO_SETTINGS_MODULE django_app

tests/auto_inject/test_auto_inject_install.py

@@ -30,6 +30,10 @@ class TestSimpleInstallerAutoInjectManualProfiling(base.AutoInjectBaseTest):
         context.vm_name in ["Ubuntu_24_amd64", "Ubuntu_24_arm64"] and context.weblog_variant == "test-app-nodejs",
         reason="PROF-11264",
     )
+    @irrelevant(
+        context.vm_name in ["Ubuntu_20_amd64", "Ubuntu_20_arm64"] and context.weblog_variant == "test-app-python",
+        reason="Python version too old",
+    )
     def test_profiling(self):
         logger.info(f"Launching test_install for : [{context.vm_name}]...")
         self._test_install(context.virtual_machine, profile=True)