chore(deps): bump google-closure-compiler from 20240317.0.0 to 20250625.0.0 (#9187)

* chore(deps): bump google-closure-compiler

  Bumps [google-closure-compiler](https://github.com/google/closure-compiler-npm) from 20240317.0.0 to 20250625.0.0.
  - [Release notes](https://github.com/google/closure-compiler-npm/releases)
  - [Commits](google/closure-compiler-npm@v20240317.0.0...v20250625.0.0)

  ---
  updated-dependencies:
  - dependency-name: google-closure-compiler
    dependency-version: 20250625.0.0
    dependency-type: direct:development
    update-type: version-update:semver-major
  ...

  Signed-off-by: dependabot[bot] <[email protected]>

* chore(build): Update import of google-closure-compiler

  The packaging of this module changed and so how we import it needs
  to change as well.

* fix(build): Remove no-longer-supported compiler option

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Christopher Allen <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -117,7 +117,7 @@
     "eslint-plugin-prettier": "^5.2.1",
     "glob": "^11.0.1",
     "globals": "^16.0.0",
-    "google-closure-compiler": "^20240317.0.0",
+    "google-closure-compiler": "^20250625.0.0",
     "gulp": "^5.0.0",
     "gulp-concat": "^2.6.1",
     "gulp-gzip": "^1.4.2",

package.json

@@ -19,9 +19,7 @@ import * as fsPromises from 'fs/promises';
 import {exec, execSync} from 'child_process';
 
 import {globSync} from 'glob';
-// For v20250609.0.0 and later:
-// import {gulp as closureCompiler} from 'google-closure-compiler';
-import ClosureCompiler from 'google-closure-compiler';
+import {gulp as closureCompiler} from 'google-closure-compiler';
 import yargs from 'yargs';
 import {hideBin} from 'yargs/helpers';
 import {rimraf} from 'rimraf';
@@ -31,8 +29,6 @@ import {getPackageJson} from './helper_tasks.mjs';
 
 import {posixPath, quote} from '../helpers.js';
 
-const closureCompiler = ClosureCompiler.gulp();
-
 const argv = yargs(hideBin(process.argv)).parse();
 
 ////////////////////////////////////////////////////////////
@@ -247,7 +243,6 @@ const JSCOMP_ERROR = [
   'underscore',
   'unknownDefines',
   // 'unusedLocalVariables',  // Disabled; see note in JSCOMP_OFF.
-  'unusedPrivateMembers',
   'uselessCode',
   'untranspilableFeatures',
   // 'visibility',  // Disabled; see note in JSCOMP_OFF.