chore(governance): remove any step relying on master branch

Author: heitorlessa

.github/mergify.yml

@@ -22,7 +22,6 @@
 
 #   - name: Automatic merge ⬇️ on approval ✔
 #     conditions:
-#       - base!=master
 #       - "#approved-reviews-by>=2"
 #     actions:
 #       queue:

.github/workflows/python_build.yml

@@ -10,7 +10,6 @@ on:
       - "mypy.ini"
     branches:
       - develop
-      - master
   push:
     paths:
       - "aws_lambda_powertools/**"
@@ -20,7 +19,6 @@ on:
       - "mypy.ini"
     branches:
       - develop
-      - master
 
 jobs:
   build:

MAINTAINERS.md

@@ -217,7 +217,7 @@ This workflow will update both user guide and API documentation.
 
 ### Maintain Overall Health of the Repo
 
-> TODO: Coordinate removing `master` and renaming `develop` to `main`
+> TODO: Coordinate renaming `develop` to `main`
 
 Keep the `develop` branch at production quality at all times. Backport features as needed. Cut release branches and tags to enable future patches.