fix docs_ci.yml

.github/workflows/docs_ci.yml

@@ -23,11 +23,13 @@ concurrency:
 jobs:
   check-markdown:
     runs-on: ubuntu-24.04
-    timeout-minutes: 5
+    timeout-minutes: 10
     steps:
       - uses: actions/checkout@v4
       - name: Build V
         run: make
+      - name: Install dependencies (some examples show how to use sqlite and the x11 clipboard)
+        run: ./v retry -- sudo apt install --quiet -y libx11-dev libssl-dev sqlite3 libsqlite3-dev
       - name: Check markdown line length & code examples
         run: ./v check-md -hide-warnings .
         ## NB: -hide-warnings is used here, so that the output is less noisy,