chore(deps): update tj-actions/changed-files action to v45.0.8

Author: renovate[bot]

.github/workflows/mypy.yml

@@ -25,7 +25,7 @@ jobs:
 
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v45.0.7
+        uses: tj-actions/changed-files@v45.0.8
 
       - name: Filter Python files
         id: filter-python