galaxy.yml: build_ignore unnecessary files

> Packagers should exclude [unnecessary] files, which SHOULD be done by
> patching the collection’s galaxy.yml to add these files to the
> build_ignore configuration. These files SHOULD NOT be removed with rm.

-- https://docs.fedoraproject.org/en-US/packaging-guidelines/Ansible_collections/#_unnecessary_files

Author: gotmax23

galaxy.yml

@@ -31,5 +31,12 @@ tags:
   - grafana
   - redis
   - pcp
+build_ignore:
+  - .github
+  - .gitignore
+  - .ansible-lint
+  - "*.yml"
+  - ".*.yaml"
+  - tests
 
 dependencies: {}