ci: twister: Store ccache data in node cache

This commit updates the twister workflow to store ccache data in the
zephyr-runner v2 node cache.

Signed-off-by: Stephanos Ioannidis <root@stephanos.io>

.github/workflows/twister.yaml

@@ -136,6 +136,7 @@ jobs:
       matrix:
         subset: ${{fromJSON(needs.twister-build-prep.outputs.subset)}}
     env:
+      CCACHE_DIR: /node-cache/ccache-zephyr
       BSIM_OUT_PATH: /opt/bsim/
       BSIM_COMPONENTS_PATH: /opt/bsim/components
       TWISTER_COMMON: ' --force-color --inline-logs -v -N -M --retry-failed 3 '
@@ -200,32 +201,12 @@ jobs:
           echo "github.base_ref: ${{ github.base_ref }}"
           echo "github.ref_name: ${{ github.ref_name }}"
 
-      - name: Prepare ccache timestamp/data
-        id: ccache_cache_timestamp
-        shell: cmake -P {0}
+      - name: Set up ccache
         run: |
-          string(TIMESTAMP current_date "%Y-%m-%d-%H;%M;%S" UTC)
-          string(REPLACE "/" "_" repo ${{github.repository}})
-          string(REPLACE "-" "_" repo2 ${repo})
-          file(APPEND $ENV{GITHUB_OUTPUT} "repo=${repo2}\n")
-
-      - name: use cache
-        id: cache-ccache
-        uses: zephyrproject-rtos/action-s3-cache@v1.2.0
-        continue-on-error: true
-        with:
-          key: ${{ steps.ccache_cache_timestamp.outputs.repo }}-${{ github.ref_name }}-${{github.event_name}}-${{ matrix.subset }}-ccache
-          path: /github/home/.cache/ccache
-          aws-s3-bucket: ccache.zephyrproject.org
-          aws-access-key-id: ${{ vars.AWS_CCACHE_ACCESS_KEY_ID }}
-          aws-secret-access-key: ${{ secrets.AWS_CCACHE_SECRET_ACCESS_KEY }}
-          aws-region: us-east-2
-
-      - name: ccache stats initial
-        run: |
-          mkdir -p /github/home/.cache
-          test -d github/home/.cache/ccache && rm -rf /github/home/.cache/ccache && mv github/home/.cache/ccache /github/home/.cache/ccache
-          ccache -M 10G -s
+          mkdir -p ${CCACHE_DIR}
+          ccache -M 10G
+          ccache -p
+          ccache -z -s -vv
 
       - if: github.event_name == 'push'
         name: Run Tests with Twister (Push)
@@ -268,10 +249,10 @@ jobs:
             fi
           fi
 
-      - name: ccache stats post
+      - name: Print ccache stats
+        if: always()
         run: |
-          ccache -p
-          ccache -s
+          ccache -s -vv
 
       - name: Upload Unit Test Results
         if: always()