fix: remove complex `metadata.json` naming

It looks awful in the GitLab UI.

config.js

@@ -24,8 +24,6 @@ module.exports = {
 				// eslint-disable-next-line no-template-curly-in-string
 				archive: '${CI_PROJECT_NAME}-v${version}.tar.gz',
 				// eslint-disable-next-line no-template-curly-in-string
-				metadata: '${CI_PROJECT_NAME}-v${version}.json',
-				// eslint-disable-next-line no-template-curly-in-string
 				url: '${CI_PROJECT_URL}/-/releases/v${version}/downloads/src.tar.gz',
 			},
 		},
@@ -55,8 +53,7 @@ module.exports = {
 					filepath: '/src.tar.gz',
 				},
 				{
-					// eslint-disable-next-line no-template-curly-in-string
-					path: '${env.CI_PROJECT_NAME}-v${nextRelease.version}.json',
+					path: 'metadata.json',
 					type: 'package',
 					// eslint-disable-next-line no-template-curly-in-string
 					filepath: '/modules/${env.CI_PROJECT_NAME}/metadata.json',