Pin actions/cache at v6.1.0 SHA
diff --git a/.github/workflows/auto-merge.yml b/.github/workflows/auto-merge.yml
index 8f09f52..05abdb5 100644
--- a/.github/workflows/auto-merge.yml
+++ b/.github/workflows/auto-merge.yml
@@ -75,7 +75,7 @@
 
       # Build cache
       - name: Cache Gradle Cache
-        uses: actions/cache@v5
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9
         with:
           path: ~/.gradle/caches
           key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle.kts') }}-${{ hashFiles('**/gradle.properties') }}
@@ -83,7 +83,7 @@
           restore-keys: |
             ${{ runner.os }}-gradle-
       - name: Cache gradle wrapper
-        uses: actions/cache@v5
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9
         with:
           path: ~/.gradle/wrapper
           key: ${{ runner.os }}-gradle-wrapper-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties') }}
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0dd54ab..1a9ec38 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -56,7 +56,7 @@
 
     # Build cache
     - name: Cache Gradle Cache
-      uses: actions/cache@v5
+      uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9
       with:
         path: ~/.gradle/caches
         key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle.kts') }}-${{ hashFiles('**/gradle.properties') }}
@@ -65,7 +65,7 @@
           ${{ runner.os }}-gradle-
 
     - name: Cache gradle wrapper
-      uses: actions/cache@v5
+      uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9
       with:
         path: ~/.gradle/wrapper
         key: ${{ runner.os }}-gradle-wrapper-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties') }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bfe5a4b..601590e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -27,7 +27,7 @@
 
     # Build cache
     - name: Cache Gradle Cache
-      uses: actions/cache@v5
+      uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9
       with:
         path: ~/.gradle/caches
         key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle.kts') }}-${{ hashFiles('**/gradle.properties') }}
@@ -35,7 +35,7 @@
         restore-keys: |
           ${{ runner.os }}-gradle-
     - name: Cache gradle wrapper
-      uses: actions/cache@v5
+      uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9
       with:
         path: ~/.gradle/wrapper
         key: ${{ runner.os }}-gradle-wrapper-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties') }}