ci: rename "issue labeler" to just "labeler" (because it also labels prs)

Author: andreynering

.github/workflows/issue-labeler.yml .github/workflows/labeler.yml.github/workflows/issue-labeler.yml renamed to .github/workflows/labeler.yml

@@ -1,4 +1,4 @@
-name: Issue Labeler
+name: labeler
 
 on:
   issues:
@@ -8,7 +8,7 @@ on:
   workflow_dispatch:
     inputs:
       issue-number:
-        description: Issue Number
+        description: "Issue/PR #"
         required: true
         type: string