Add execution environment definition

extensions/patterns/ec2_instance/exec_env/execution-environment.yml

@@ -0,0 +1,29 @@
+---
+version: 3
+
+dependencies:
+  ansible_core:
+    package_pip: ansible-core
+  ansible_runner:
+    package_pip: ansible-runner
+  galaxy:
+    collections:
+      - name: cloud.aws_ops
+        source: https://github.com/hakbailey/cloud.aws_ops.git
+        type: git
+        version: cloud-pattern-testing
+      - name: amazon.aws
+        source: https://github.com/ansible-collections/amazon.aws.git
+        type: git
+        version: main
+  python:
+    - boto3
+    - botocore
+
+images:
+  base_image:
+    name: docker.io/redhat/ubi9:latest
+
+additional_build_steps:
+  append_base: |
+    RUN yum install -y git