update build action to fix tlmgr bug + cron

.github/workflows/build.yml

@@ -1,6 +1,8 @@
 name: build
 
 on:
+  schedule:
+    - cron: '0 0 * * 0' 
   workflow_dispatch:
   push:
     branches: main
@@ -12,22 +14,28 @@ jobs:
       contents: write
     steps:
       - name: Check out repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up quarto
         uses: quarto-dev/quarto-actions/setup@v2
         with:
           tinytex: true
-          version: pre-release
 
+      - name: register tinytex globally for diagram.lua
+        run: |
+          mkdir -p ~/.local/bin
+          ~/.TinyTeX/bin/x86_64-linux/tlmgr option sys_bin ~/.local/bin
+          ~/.TinyTeX/bin/x86_64-linux/tlmgr path add
+          ~/.TinyTeX/bin/x86_64-linux/tlmgr install libertinus-fonts
+  
       - name: Install Computo extension for Quarto
         run: |
             quarto add --no-prompt computorg/computo-quarto-extension
 
       - name: Install R
         uses: r-lib/actions/setup-r@v2
         with:
-          r-version: '4.2.2'
+          r-version: '4.4.0'
 
       - name: Install R Dependencies with renv
         uses: r-lib/actions/setup-renv@v2