ci: install fd and ripgrep for coding-agent tests

.github/workflows/ci.yml

@@ -37,10 +37,11 @@ jobs:
           node-version: 22
           cache: npm
 
-      - name: Install canvas build deps
+      - name: Install system dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install -y libcairo2-dev libpango1.0-dev libjpeg-dev libgif-dev librsvg2-dev
+          sudo apt-get install -y libcairo2-dev libpango1.0-dev libjpeg-dev libgif-dev librsvg2-dev fd-find ripgrep
+          sudo ln -s $(which fdfind) /usr/local/bin/fd
 
       - name: Install dependencies
         run: npm ci