Update .gitlab-ci.yml

Author: svc-developer

.gitlab-ci.yml

@@ -1,24 +1,7 @@
-# ref: https://docs.gitlab.com/ee/ci/README.html
-
-stages:
-  - test
-
-.tests:
-  stage: test
-  script:
-   - pip install -r requirements.txt
-   - pip install -r test-requirements.txt
-   - pytest --cov=Avalara.SDK
-
-test-3.6:
-  extends: .tests
-  image: python:3.6-alpine
-test-3.7:
-  extends: .tests
-  image: python:3.7-alpine
-test-3.8:
-  extends: .tests
-  image: python:3.8-alpine
-test-3.9:
-  extends: .tests
-  image: python:3.9-alpine
+include:
+  - project: sre/gitlab-templates
+    ref: v4
+    file:
+      - pipelines/common/security/sast.yml
+      - pipelines/common/stages/stages.yml
+      - pipelines/common/workflows/trunk.yml