Enforce assigning labels before merging PR's. Usefull for generating automatic changelog and release notes with github-release-notes

Create .github/workflows/enforce-labels.yml containing:

name: Enforce PR labels

on:
  pull_request:
    types: [labeled, unlabeled, opened, edited, synchronize]
jobs:
  enforce-label:
    runs-on: ubuntu-latest
    steps:
    - uses: yogevbd/enforce-label-action@2.1.0
      with:
        REQUIRED_LABELS_ANY: "bug,enhancement,skip-changelog"
        REQUIRED_LABELS_ANY_DESCRIPTION: "Select at least one label ['bug','enhancement','skip-changelog']"
        BANNED_LABELS: "banned"

REQUIRED_LABELS_ANY: Force PR's to have at least one label, accepts multiple labels seperated by a comma.
REQUIRED_LABELS_ALL: Force PR's to have all labels, accepts multiple labels seperated by a comma.
BANNED_LABELS: Prevent PR's with those labels to be merged, accepts multiple labels seperated by a comma.

REQUIRED_LABELS_ANY_DESCRIPTION: Controls the required any labels failure description. Default is Please select one of the required labels for this PR: ${requiredLabelsAny}.
REQUIRED_LABELS_ALL_DESCRIPTION: Controls the required all labels failure description. Default is All labels are required for this PR: ${requiredLabelsAll}.
BANNED_LABELS_DESCRIPTION: Controls the banned failure description. Default is ${bannedLabel.name} label is banned.