Merge pull request #49 from psychoinformatics-de/ci

Fixes for the website build CI run

.github/workflows/website.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '2.7'
+          ruby-version: '3.0'
           bundler-cache: true
 
       - name: Set up Python
@@ -44,7 +44,7 @@ jobs:
       - name: Look for R-markdown files
         id: check-rmd
         run: |
-          echo "::set-output name=count::$(shopt -s nullglob; files=($(find . -iname '*.Rmd')); echo ${#files[@]})"
+          echo "count=$(shopt -s nullglob; files=($(find . -iname '*.Rmd')); echo ${#files[@]})" >> $GITHUB_OUTPUT
 
       - name: Set up R
         if: steps.check-rmd.outputs.count != 0
@@ -119,5 +119,3 @@ jobs:
           # return
           cd ..
 
-      - run: make lesson-check-all
-        if: always()