ci: Use zephyrproject-rtos/action-s3-cache@v1.2.0

This commit updates the CI workflows to use the S3 cache action v1.2.0,
which is based on node.js 16 and @actions/core 1.10.0, in preparation
for the upcoming removal of the deprecated GitHub features.

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

.github/workflows/clang.yaml

@@ -80,9 +80,10 @@ jobs:
           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
+        uses: zephyrproject-rtos/action-s3-cache@v1.2.0
         with:
           key: ${{ steps.ccache_cache_timestamp.outputs.repo }}-${{ github.ref_name }}-clang-${{ matrix.platform }}-ccache
           path: /github/home/.ccache

.github/workflows/codecov.yaml

@@ -67,7 +67,7 @@ jobs:
 
       - name: use cache
         id: cache-ccache
-        uses: zephyrproject-rtos/action-s3-cache@v1
+        uses: zephyrproject-rtos/action-s3-cache@v1.2.0
         with:
           key: ${{ steps.ccache_cache_prop.outputs.repo }}-${{github.event_name}}-${{matrix.platform}}-codecov-ccache
           path: /github/home/.ccache

.github/workflows/twister.yaml

@@ -196,7 +196,7 @@ jobs:
 
       - name: use cache
         id: cache-ccache
-        uses: zephyrproject-rtos/action-s3-cache@v1
+        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