[FIR] Introduce caching service for metadata declarations provided by extensions

This is needed to allow to call for provided declarations multiple times
  with only one real invocation of plugins

compiler/fir/entrypoint/build.gradle.kts

@@ -17,6 +17,7 @@ dependencies {
     api(project(":js:js.frontend"))
 
     implementation(project(":compiler:fir:resolve"))
+    implementation(project(":compiler:fir:fir-serialization"))
     implementation(project(":compiler:fir:fir2ir:jvm-backend"))
     implementation(project(":compiler:backend.jvm"))
     implementation(project(":compiler:ir.serialization.common"))