Minify generate-user-mapping json output (#182)

Author: namoscato

.github/actions/generate-user-mapping/README.md

@@ -87,7 +87,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download Slack deploy user mapping artifact
-        uses: dawidd6/action-download-artifact@v6
+        uses: dawidd6/action-download-artifact@v11
         with:
           workflow: slack_deploy_user_mapping.yaml
           name: slack-deploy-user-mapping

dist/generateUserMapping/index.js

@@ -14,7 +14,7 @@ async function generateUserMapping(): Promise<void> {
 
     const github_org = getInput('github_org', {required: true})
     const mapping = await githubToSlackMapping(octokit, slack, github_org)
-    const mappingJson = JSON.stringify(mapping, null, 2)
+    const mappingJson = JSON.stringify(mapping)
 
     setOutput('json', mappingJson)
   } catch (err) {