Rename backport job to align with other workflows

Signed-off-by: Hidde Beydals <[email protected]>

Author: hiddeco

.github/workflows/backport.yaml

@@ -8,8 +8,7 @@ permissions:
   contents: read
 
 jobs:
-  backport:
-    name: Backport pull request
+  pull-request:
     runs-on: ubuntu-latest
     permissions:
       contents: write