ci: do not use cached dependencies

.github/workflows/cmake-macos.yml

@@ -76,7 +76,7 @@ jobs:
 
     # This is step executed if a cache entry is found
     - name: "Configure dcmqi w/ cached DCMTK/ITK/ZLIB"
-      if: ${{ steps.cache-dcmtk-itk-zlib.outputs.cache-hit == 'true' }}
+      if: ${{ steps.cache-dcmtk-itk-zlib.outputs.cache-hit == 'skip_this' }}
       # Make sure to set ITK, DCMTK and ZLIB directories to dcmqi cmake configuration step
       run: |
         cd ${{ github.workspace }}/dcmqi-build && cmake -G Ninja ${{ github.workspace }} -DDCMTK_DIR=${{ github.workspace }}/dcmqi-build/DCMTK-build -DITK_DIR=${{ github.workspace }}/dcmqi-build/ITK-build -DZLIB_ROOT=${{ github.workspace }}/dcmqi-build/zlib-install