chore(deps): update actions/cache digest to 6849a64 (#72)

Co-authored-by: msclock-bot[bot] <163820484+msclock-bot[bot]@users.noreply.github.com>

Author: msclock-bot[bot]

.github/workflows/cd.yml

@@ -121,7 +121,7 @@ jobs:
           ref: ${{ github.head_ref }}
 
       - name: Cache
-        uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4
+        uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a # v4
         with:
           path: |
             ~/vcpkg