fix(jetbrainsSpace): fix build error with node 12 (#214)

Author: 123FLO321

services/jetbrains-space.js

@@ -6,15 +6,15 @@ module.exports = {
     return Boolean(env.JB_SPACE_EXECUTION_NUMBER);
   },
   configuration({env}) {
-    const projectKey = env.JB_SPACE_PROJECT_KEY?.toLowerCase();
+    const projectKey = env.JB_SPACE_PROJECT_KEY;
     const repositoryName = env.JB_SPACE_GIT_REPOSITORY_NAME;
     return {
       name: 'JetBrains Space',
       service: 'jetbrainsSpace',
       commit: env.JB_SPACE_GIT_REVISION,
       build: env.JB_SPACE_EXECUTION_NUMBER,
       branch: parseBranch(env.JB_SPACE_GIT_BRANCH),
-      slug: projectKey && repositoryName ? `${projectKey}/${repositoryName}` : undefined,
+      slug: projectKey && repositoryName ? `${projectKey.toLowerCase()}/${repositoryName}` : undefined,
     };
   },
 };