Merge branch 'main' into cleanup-TLC3

# Conflicts:
#	_data/tagging-status.yml

Author: FrankMittelbach

.github/workflows/tests.yaml

@@ -35,7 +35,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: libglut3
-        run: sudo apt-get install -y freeglut3-dev
+        run: sudo apt update; sudo apt-get install -y freeglut3-dev
       - name: Install TeX Live
         id: texlive
         uses: zauguin/install-texlive@v4
@@ -147,8 +147,8 @@ jobs:
       # Boilerplate
       - name: Checkout repository
         uses: actions/checkout@v4
-      - name: libglut3
-        run: sudo apt-get install -y freeglut3-dev
+      - name: libglut3 and libpdf-api2-perl
+        run: sudo apt update; sudo apt-get install -y freeglut3-dev libpdf-api2-perl
       - name: Restore TeX Live from cache
         uses: actions/cache/restore@v4
         with: