Issue 519: Fix failing render Readme action

.github/workflows/render_readme.yaml

@@ -1,30 +1,23 @@
-# Name of the workflow
 name: render-readme
 
-# Controls when the action will run. Triggers include:
-#
-# - button trigger from github action page
-# - on changes to readme.Rmd
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref }}
+  cancel-in-progress: true
 
 on:
   workflow_dispatch:
   push:
     paths:
       - 'README.Rmd'
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
   render-readme:
     runs-on: macos-latest
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Checkout repos
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup R
         uses: r-lib/actions/setup-r@v2
@@ -46,6 +39,6 @@ jobs:
         run: |
           git config --local user.email "action@github.com"
           git config --local user.name "GitHub Action"
-          git add README.md 
-          git diff-index --quiet HEAD || git commit -m "Automatic readme update"
-          git status -sb | grep -q ahead && git push origin
+          git add README.md man/figures/
+          git diff-index --quiet HEAD || git commit -m "Automatic readme update [ci skip]"
+          git push origin || echo "No changes to push"