ci: fix dep miss (#9965)

Author: kaidegit

.github/workflows/bsp_buildings.yml

@@ -405,6 +405,7 @@ jobs:
           wget https://raw.githubusercontent.com/RT-Thread/env/master/install_ubuntu.sh
           chmod 777 install_ubuntu.sh
           ./install_ubuntu.sh
+          pip install -r tools/requirements.txt
           git config --global http.postBuffer 524288000
           echo "RTT_ROOT=${{ github.workspace }}" >> $GITHUB_ENV
           echo "RTT_CC=gcc" >> $GITHUB_ENV

tools/requirements.txt

@@ -2,3 +2,4 @@ scons>=4.0.1
 requests>=2.27.1
 tqdm>=4.67.1
 kconfiglib>=13.7.1
+PyYAML>=6.0