chore(deps): update actions/cache digest to 638ed79 (#1549)

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

Author: renovate[bot]

.github/workflows/merge.yml

@@ -33,7 +33,7 @@ jobs:
         server-password: ${{ secrets.CENTRAL_PASSWORD }}
 
     - name: Cache local Maven repository
-      uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809
+      uses: actions/cache@638ed79f9dc94c1de1baef91bcab5edaa19451f4
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-17-maven-${{ hashFiles('**/pom.xml') }}

.github/workflows/pullrequest.yml

@@ -34,7 +34,7 @@ jobs:
           languages: java
 
       - name: Cache local Maven repository
-        uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809
+        uses: actions/cache@638ed79f9dc94c1de1baef91bcab5edaa19451f4
         with:
             path: ~/.m2/repository
             key: ${{ runner.os }}${{ matrix.build.java }}-maven-${{ hashFiles('**/pom.xml') }}