Test: update actions cache v2 to v3

fix #9

Signed-off-by: bodong.ybd <[email protected]>

Author: yangbodong22011

.github/workflows/integration.yml

@@ -37,7 +37,7 @@ jobs:
           sudo apt install -y stunnel make
           make system-setup
       - name: Cache dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: |
             ~/.m2/repository