chore(deps): update actions/cache digest to 9c7b3e9 (#329)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/merge.yml

@@ -32,7 +32,7 @@ jobs:
         server-password: ${{ secrets.OSSRH_PASSWORD }}
 
     - name: Cache local Maven repository
-      uses: actions/cache@940f3d7cf195ba83374c77632d1e2cbb2f24ae68
+      uses: actions/cache@9c7b3e90bdf39569c497c98e469f8a00e061c43f
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}

.github/workflows/pullrequest.yml

@@ -31,7 +31,7 @@ jobs:
           languages: java
 
       - name: Cache local Maven repository
-        uses: actions/cache@940f3d7cf195ba83374c77632d1e2cbb2f24ae68
+        uses: actions/cache@9c7b3e90bdf39569c497c98e469f8a00e061c43f
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}