Add caching of Gradle build configuration cache

src/post.ts

@@ -1,10 +1,12 @@
 import * as cacheWrapper from './cache-wrapper'
 import * as cacheDependencies from './cache-dependencies'
+import * as cacheConfiguration from './cache-configuration'
 
 // Invoked by GitHub Actions
 export async function run(): Promise<void> {
     await cacheWrapper.cacheWrapperDist()
     await cacheDependencies.cacheDependencies()
+    await cacheConfiguration.cacheConfiguration()
 }
 
 run()