Remove Needs: Submitter Input label on push

.github/labeler.yml

@@ -0,0 +1,9 @@
+# Configurations for the `labeler` GitHub action.
+# More details can be found here: https://github.com/actions/labeler?tab=readme-ov-file#usage
+"Needs: Submitter Input":
+  - changed-files:
+    # When the labeler action's `sync-labels` input it true,
+    # the `Needs: Submitter Input` label will be removed
+    # unless the update includes a change to any `dev/null/*` file
+    # (which should never happen).
+    - any-glob-to-any-file: dev/null/*

.github/workflows/pr_update_labeler.yml

@@ -0,0 +1,18 @@
+name: pr_update_labeler
+on:
+  pull_request_target:
+    types:
+      - synchronize
+    branches:
+      - master
+jobs:
+  labeler:
+    permissions:
+      contents: read
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/labeler@v5
+        with:
+          sync-labels: true