Bump version of changed-files action.

Author: warwickmm

.github/workflows/data_tests_changed_files.yml

@@ -40,7 +40,7 @@ jobs:
 
     - name: Get changed *.csv files
       id: changed-files
-      uses: tj-actions/changed-files@v44
+      uses: tj-actions/changed-files@v45
       with:
         path: data
         files: |