fix(ci): catch script errors

Author: andelf

.github/workflows/build.yml

@@ -30,5 +30,4 @@ jobs:
           cd ../ch32-data/build/
           git clone https://github.com/ch32-rs/ch32-metapac.git
       - name: Build Only
-        run: |
-          ./ci.sh
+        run: ./ci.sh

ci.sh

@@ -3,6 +3,6 @@
 set -ex
 set -o pipefail
 
-for d in $(find examples -depth 1 -type d); do
+for d in $(find examples -maxdepth 1 -type d); do
     (cd $d && cargo build --release)
 done