Bump actions/cache from 5 to 6 (#394)
diff --git a/.github/workflows/action-test.yml b/.github/workflows/action-test.yml
index cc49dd7..f4bf8b2 100644
--- a/.github/workflows/action-test.yml
+++ b/.github/workflows/action-test.yml
@@ -30,7 +30,7 @@
           path: src
           fetch-depth: 0
       - name: maven cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ~/.m2
           key: yetus-m2-${{ hashFiles('**/pom.xml') }}
diff --git a/.github/workflows/linkcheck.yml b/.github/workflows/linkcheck.yml
index d5149cb..496f695 100644
--- a/.github/workflows/linkcheck.yml
+++ b/.github/workflows/linkcheck.yml
@@ -30,7 +30,7 @@
       - name: checkout
         uses: actions/checkout@v6
       - name: maven cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ~/.m2
           key: yetus-m2-${{ hashFiles('**/pom.xml') }}
diff --git a/.github/workflows/yetus.yml b/.github/workflows/yetus.yml
index 9857a1e..30eaa30 100644
--- a/.github/workflows/yetus.yml
+++ b/.github/workflows/yetus.yml
@@ -34,7 +34,7 @@
           path: src
           fetch-depth: 0
       - name: maven cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ~/.m2
           key: yetus-m2-${{ hashFiles('**/pom.xml') }}