chore: update github actions

Author: galargh

.github/workflows/vale.yml

@@ -1,6 +1,6 @@
 name: vale-v0
 
-on: 
+on:
   pull_request:
     # 'edited': check the PR title on changes
     types: [opened, edited, reopened, synchronize]
@@ -13,14 +13,15 @@ jobs:
       - uses: actions/checkout@v3
       - id: files
         name: Get changed files
-        uses: jitterbit/get-changed-files@v1
-        with:
-          format: 'json'
+        env:
+          ENDPOINT: repos/${{ github.repository }}/pulls/${{ github.event.number }}/files
+          SELECTOR: map(select(.status != "removed")) | map(.filename)
+        run: echo "added_modified=$(gh api "$ENDPOINT" --jq "$SELECTOR")"
       - name: vale check
         uses: errata-ai/vale-action@reviewdog
         env:
-          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}    
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
         with:
-          files: ${{ steps.files.outputs.added_modified }}  
+          files: ${{ steps.files.outputs.added_modified }}
           fail_on_error: true
-          vale_flags: "--minAlertLevel=error"
+          vale_flags: "--minAlertLevel=error"