Fix cache hit

Signed-off-by: JaySon-Huang <tshent@qq.com>

Author: JaySon-Huang

.github/workflows/cpp-test.yml

@@ -22,7 +22,7 @@ jobs:
           path: ~/pocoinstall/v1_12_4
           key: ${{ runner.os }}-Poco-v_1_12_4-t0
       - name: Install Poco
-        if: steps.cache-grpc.outputs.cache-hit != 'true'
+        if: steps.cache-poco.outputs.cache-hit != 'true'
         run: |
           export POCO_INSTALL_PATH=~/pocoinstall/v1_12_4 && mkdir -p ${POCO_INSTALL_PATH}
           git clone https://github.com/pocoproject/poco.git