ci: Run ccache with pixi run

Author: jorisv

.github/workflows/linux.yml

@@ -206,7 +206,7 @@ jobs:
 
       - name: Display ccache statistics
         run: |
-          ccache -s
+          ccache -sv
 
   check:
     if: always()

.github/workflows/macos-linux-windows-pixi.yml

@@ -129,12 +129,12 @@ jobs:
       - name: Uninstall Pinocchio
         shell: bash -el {0}
         run: |
-          cmake --build build --target uninstall
+          pixi run -e ${{ matrix.environment }} cmake --build build --target uninstall
 
       - name: Display ccache statistics
         shell: bash -el {0}
         run: |
-          ccache -s
+          pixi run -e ${{ matrix.environment }} ccache -sv
 
   check:
     if: always()