Documentation workflow test fix

Author: ParkerDevelice

.github/workflows/build.yml

@@ -252,6 +252,7 @@ jobs:
           ./build.sh cmake "" --target documentation --parallel 16
 
     - name: Install rsync (for JamesIves/github-pages-deploy-action@v4)
+      run: apt-get update
       run: apt install -y rsync
 
     - name: Set Target Folder in documentation