Add linters to drone CI

{{cookiecutter.project_slug}}/.drone.yml

@@ -1,17 +1,16 @@
 kind: pipeline
 type: docker
-name: CI Test Pipeline
+name: CI Test/Lint Pipeline
 
 steps:
-- name: greeting
-  image: alpine
-  commands:
-  - echo "Welcome to drone\n"
-
-- name: Unit Tests
+- name: Unit Tests and Linters
+  # Bullseye because drone runner host OS is using older libseccomp2 causing issues
+  # with thread allocation. See: https://github.com/docker-library/python/issues/835
   image: python:3.11-bullseye
   commands:
-    - bash -c './scripts/run_unit_tests.sh'
+   - bash -xc './scripts/run_linters.sh'
+   - bash -xc './scripts/run_unit_tests.sh'
+  group: test-lint
 
 trigger:
   event: