Fix workflows

.github/workflows/main.yml

@@ -15,7 +15,9 @@ jobs:
     container: { image: 'aergus/latex' }
 
     steps:
-      - uses: actions/checkout@v3
+      - name: Install nodejs
+        run: apt-get update && apt-get install -y nodejs
+      - uses: https://gitea.com/ScMi1/checkout@v1
       - name: Build the thesis
         run: latexmk thesis && latexmk abstract-cz && latexmk abstract-en
       - name: Upload artifacts
@@ -32,7 +34,9 @@ jobs:
     container: { image: 'ghcr.io/mff-cuni-cz/cuni-thesis-validator' }
 
     steps:
+      - name: Install nodejs
+        run: apt-get update && apt-get upgrade -y && apt-get install -y curl && curl -fsSL https://deb.nodesource.com/setup_16.x | bash - && apt-get install -y nodejs
       - name: Get PDFs
-        uses: actions/download-artifact@v3
+        uses: https://gitea.com/actions/download-artifact@v3
       - name: Run VeraPDF
         run: verify Thesis/*.pdf | tee /dev/stderr | grep -qE 'nonCompliant="0" failedJobs="0"'

.github/workflows/pages.yml

@@ -11,7 +11,9 @@ jobs:
     container: { image: 'aergus/latex' }
 
     steps:
-      - uses: actions/checkout@v3
+      - name: Install nodejs
+        run: apt-get update && apt-get install -y nodejs
+      - uses: https://gitea.com/ScMi1/checkout@v1
       - name: Build the thesis
         run: latexmk thesis && latexmk abstract-cz && latexmk abstract-en
       - name: Prepare a website directory