Use sub-directory for 'setup-gradle' dist

To prepare for converting the 'dependency-submission' action into Typescript,
we move the 'setup-gradle' entry points and outputs into a sub-directory.

sources/src/cache-base.ts

@@ -233,9 +233,10 @@ export class GradleStateCache {
         }
     }
 
+    // TODO:DAZ Move this to a utility class
     private readResourceFileAsString(...paths: string[]): string {
         // Resolving relative to __dirname will allow node to find the resource at runtime
-        const absolutePath = path.resolve(__dirname, '..', '..', 'sources', 'src', 'resources', ...paths)
+        const absolutePath = path.resolve(__dirname, '..', '..', '..', 'sources', 'src', 'resources', ...paths)
         return fs.readFileSync(absolutePath, 'utf8')
     }
 

sources/src/setup-gradle/main.ts

@@ -1,10 +1,10 @@
 import * as core from '@actions/core'
 
-import * as setupGradle from './setup-gradle'
-import * as execution from './execution'
-import * as provisioner from './provision'
-import * as layout from './repository-layout'
-import * as params from './input-params'
+import * as setupGradle from '../setup-gradle'
+import * as execution from '../execution'
+import * as provisioner from '../provision'
+import * as layout from '../repository-layout'
+import * as params from '../input-params'
 
 /**
  * The main entry point for the action, called by Github Actions for the step.

sources/src/setup-gradle/post.ts

@@ -1,6 +1,6 @@
 import * as core from '@actions/core'
-import * as setupGradle from './setup-gradle'
-import {PostActionJobFailure} from './errors'
+import * as setupGradle from '../setup-gradle'
+import {PostActionJobFailure} from '../errors'
 
 // Catch and log any unhandled exceptions.  These exceptions can leak out of the uploadChunk method in
 // @actions/toolkit when a failed upload closes the file descriptor causing any in-process reads to