Add trailing-whitespace to pre-commit

.github/workflows/release-drafter.yml

@@ -10,7 +10,7 @@ on:
 permissions:
   contents: read
 
-concurrency: 
+concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 

.github/workflows/stale.yml

@@ -8,7 +8,7 @@ on:
 permissions:
   issues: write
 
-concurrency: 
+concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 

.pre-commit-config.yaml

@@ -56,6 +56,8 @@ repos:
       - id: check-yaml
       - id: end-of-file-fixer
         exclude: ^Tests/images/
+      - id: trailing-whitespace
+        exclude: ^.github/.*TEMPLATE|^Tests/(fonts|images)/
 
   - repo: https://github.com/sphinx-contrib/sphinx-lint
     rev: v0.6.8