[GitHub Action] Unity Changeset

Get changeset value for specific Unity editor version.

Usage

- uses: mob-sakai/unity-changeset@v1
  id: unity-changeset
  with:
    # (Required) The version of Unity editor. For example, 2021.2.12f1
    unityVersion: '2021.2.12f1'

# Use changeset value in later steps 
- run: |
    echo '${{ steps.unity-changeset.outputs.changeset }}'
    # 48b1aa000234