ci: install font dependencies for github actions

Author: xsa-dev

.github/workflows/rust.yml

@@ -16,6 +16,9 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+    - name: Install system libraries
+      run: sudo apt-get update && sudo apt-get install -y \
+           pkg-config libfreetype6-dev libfontconfig1-dev
     - name: Build
       run: cargo build --verbose
     - name: Run tests