Fix CI (#7326)

Author: robertbastian

.github/workflows/build-test.yml

@@ -176,7 +176,9 @@ jobs:
 
     # Job-specific dependencies
     - name: Install harfbuzz
-      run: sudo apt install libharfbuzz-dev
+      run: |
+        sudo apt update
+        sudo apt install libharfbuzz-dev
 
     # Actual job
     - name: Run `cargo make ci-job-test-cargo`