[CI] Attempt to fix sporadic ccache key restore failure on Windows (#807)

Failure examples:
-
https://github.com/learning-process/parallel_programming_course/actions/runs/27092193157/job/79958099680?pr=804
-
https://github.com/learning-process/parallel_programming_course/actions/runs/27094992419/job/79965554625?pr=806

Author: aobolensk

.github/actions/setup-windows-toolchain/action.yml

@@ -11,6 +11,9 @@ runs:
       uses: mpi4py/setup-mpi@v1
       with:
         mpi: msmpi
+    - name: Create ccache directory
+      shell: pwsh
+      run: New-Item -ItemType Directory -Force -Path "$env:LOCALAPPDATA\ccache" | Out-Null
     - name: Setup ccache
       uses: Chocobo1/setup-ccache-action@v1
       with: