[COST-6134] replace tj-actions/changed-files (#5554)

Author: maskarb

.github/workflows/ci.yml

@@ -78,7 +78,7 @@ jobs:
 
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@531f5f7d163941f0c1c04e0ff4d8bb243ac4366f # v45.0.7
+        uses: step-security/changed-files@3dbe17c78367e7d60f00d78ae6781a35be47b4a1 # v45.0.1
         with:
           files_from_source_file: docker-files.txt
 
@@ -168,7 +168,7 @@ jobs:
 
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@531f5f7d163941f0c1c04e0ff4d8bb243ac4366f # v45.0.7
+        uses: step-security/changed-files@3dbe17c78367e7d60f00d78ae6781a35be47b4a1 # v45.0.1
         with:
           files: |
             db_functions/**
@@ -243,7 +243,7 @@ jobs:
           path: |
             ~/.cache/pipenv
             ~/.local/share/virtualenvs
-          key: ${{ runner.os }}-env-${{ matrix.python-version }}-${{ hashFiles('**/Pipfile.lock') }}-${{ secrets.ACTIONS_CACHE_KEY_UUID }}
+          key: ${{ runner.os }}-env-${{ matrix.python-version }}-${{ hashFiles('**/Pipfile.lock') }}
 
       - name: Install dependencies
         if: needs.changed-files.outputs.run_tests == 'true' && steps.cache-dependencies.outputs.cache-hit != 'true'