chore(deps): update dependency https://github.com/serious-scaffold/ss-cpp to v1.6.21

Author: msclock-bot[bot]

.copier-answers.yml

@@ -1,4 +1,4 @@
-_commit: v1.6.14
+_commit: v1.6.21
 _src_path: https://github.com/serious-scaffold/ss-cpp
 author_email: msclock@126.com
 author_name: l.feng
@@ -15,6 +15,7 @@ header_target: ''
 organization_name: msclock
 project_description: Practice based on cppfront
 project_name: Practice on cppfront
+repo_host: github.com
 repo_name: cppfront-practice
 repo_namespace: msclock
 repo_platform: github

.github/workflows/cd.yml

@@ -33,24 +33,32 @@ jobs:
           ref: ${{ github.head_ref }}
 
       - name: Cache
+<<<<<<< before updating
         uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4
+=======
+        uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4
+>>>>>>> after updating
         with:
           path: |
             ~/vcpkg
             ~/.cache/pip
             ~/.cache/vcpkg
-          key: x64-linux-gcc-13-${{ hashFiles('vcpkg.json') }}
-          restore-keys: x64-linux-gcc-13-${{ hashFiles('vcpkg.json') }}
+          key: x64-linux-gcc-14-${{ hashFiles('vcpkg.json') }}
+          restore-keys: x64-linux-gcc-14-${{ hashFiles('vcpkg.json') }}
 
       - uses: aminya/setup-cpp@v1
         with:
-          compiler: gcc-13
+          compiler: gcc-14
           cmake: true
           ninja: true
           ccache: true
           doxygen: true
 
+<<<<<<< before updating
       - uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5
+=======
+      - uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5
+>>>>>>> after updating
         with:
           python-version: 3.x