chore: remove references to 3.8

Author: karenc-bq

.github/workflows/integration_tests_codebuild.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ "3.8", "3.11", "3.12", "3.13" ]
+        python-version: [ "3.11", "3.12", "3.13" ]
         environment: [ "mysql", "pg" ]
 
     runs-on: ubuntu-latest

tests/integration/host/src/test/java/integration/host/TestEnvironment.java

@@ -1141,8 +1141,6 @@ private static void createTelemetryOtlpContainer(TestEnvironment env) {
 
   private static String getContainerBaseImageName(TestEnvironmentRequest request) {
     switch (request.getTargetPythonVersion()) {
-      case PYTHON_3_8:
-        return "python:3.8.18";
       case PYTHON_3_11:
         return "python:3.11.5";
       case PYTHON_3_12: