Ensure minimum Gradle version for cache-cleanup (#364)

Instead of always installing and using the latest Gradle version for
cache cleanup, we now require at least Gradle 8.9.

This avoids downloading and installing Gradle if the version on PATH is
sufficient to perform cache cleanup.

sources/src/caching/cache-cleaner.ts

@@ -55,11 +55,12 @@ export class CacheCleaner {
         )
         fs.writeFileSync(path.resolve(cleanupProjectDir, 'build.gradle'), 'task("noop") {}')
 
-        const executable = await provisioner.provisionGradle('current')
+        // Gradle >= 8.9 required for cache cleanup
+        const executable = await provisioner.provisionGradleAtLeast('8.9')
 
         await core.group('Executing Gradle to clean up caches', async () => {
             core.info(`Cleaning up caches last used before ${cleanTimestamp}`)
-            await this.executeCleanupBuild(executable!, cleanupProjectDir)
+            await this.executeCleanupBuild(executable, cleanupProjectDir)
         })
     }
 

sources/src/caching/gradle-home-extry-extractor.ts

@@ -2,7 +2,6 @@ import path from 'path'
 import fs from 'fs'
 import * as core from '@actions/core'
 import * as glob from '@actions/glob'
-import * as semver from 'semver'
 
 import {CacheEntryListener, CacheListener} from './cache-reporting'
 import {cacheDebug, hashFileNames, isCacheDebuggingEnabled, restoreCache, saveCache, tryDelete} from './cache-utils'
@@ -10,6 +9,7 @@ import {cacheDebug, hashFileNames, isCacheDebuggingEnabled, restoreCache, saveCa
 import {BuildResult, loadBuildResults} from '../build-results'
 import {CacheConfig, ACTION_METADATA_DIR} from '../configuration'
 import {getCacheKeyBase} from './cache-key'
+import {versionIsAtLeast} from '../execution/gradle'
 
 const SKIP_RESTORE_VAR = 'GRADLE_BUILD_ACTION_SKIP_RESTORE'
 const CACHE_PROTOCOL_VERSION = 'v1'
@@ -434,8 +434,7 @@ export class ConfigurationCacheEntryExtractor extends AbstractEntryExtractor {
             // If any associated build result used Gradle < 8.6, then mark it as not cacheable
             if (
                 pathResults.find(result => {
-                    const gradleVersion = semver.coerce(result.gradleVersion)
-                    return gradleVersion && semver.lt(gradleVersion, '8.6.0')
+                    return !versionIsAtLeast(result.gradleVersion, '8.6.0')
                 })
             ) {
                 core.info(