ci: add a 'Build AdventOfCode' step in the v-apps-compile job

Author: spytheman

.github/workflows/v_apps_and_modules_compile.yml

@@ -152,3 +152,9 @@ jobs:
           ~/.vmodules/vtl/bin/test --use-gc boehm
           echo "Execute Tests using Pure V Backend with Pure V Math and Garbage Collection enabled"
           ~/.vmodules/vtl/bin/test --use-cblas --use-gc boehm
+
+      - name: Build AdventOfCode
+        run: |
+          echo "Clone the AdventOfCode repo"
+          git clone --depth 1 https://github.com/vlang/adventofcode  /tmp/adventofcode
+          cd /tmp/adventofcode && v run verify.v