Update tj-actions/changed-files action to v45

Author: renovate[bot]

.github/workflows/datree-validation.yml

@@ -24,7 +24,7 @@ jobs:
 
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v44
+        uses: tj-actions/changed-files@v45
         with:
           files: |
             *.yaml