workflows/labels: run to completion on error

This runs all PRs in scope to completion, before reporting errors.

.github/workflows/labels.yml

@@ -99,7 +99,7 @@ jobs:
                 direction: 'desc',
                 ...prEventCondition
               },
-              async (response, done) => await Promise.all(response.data.map(async (pull_request) => {
+              async (response, done) => (await Promise.allSettled(response.data.map(async (pull_request) => {
                 const log = (k,v) => core.info(`PR #${pull_request.number} - ${k}: ${v}`)
 
                 log('Last updated at', pull_request.updated_at)
@@ -188,7 +188,9 @@ jobs:
                     labels: added
                   })
                 }
-              }))
+              })))
+              .filter(({ status }) => status == 'rejected')
+              .map(({ reason }) => core.setFailed(reason))
             )
 
       - uses: actions/labeler@8558fd74291d67161a8a78ce36a881fa63b766a9 # v5.0.0