Lock the cargo-apk deps on CI

Author: kchibisov

.github/workflows/ci.yml

@@ -97,7 +97,7 @@ jobs:
 
     - name: Install cargo-apk
       if: contains(matrix.platform.target, 'android') && (steps.cargo-apk-cache.outputs.cache-hit != 'true')
-      run: cargo install cargo-apk --version=^0.9.7
+      run: cargo install cargo-apk --version=^0.9.7 --locked
 
     - name: Check documentation
       run: cargo doc --no-deps $OPTIONS --document-private-items