Have build script get codec version

Author: samanklesaria

.github/scripts/unittest-linux/install.sh

@@ -93,6 +93,7 @@ export BUILD_CPP_TEST=1
 python setup.py install
 
 # 4. Install test tools
+printf "* Testing CODEC VERSION\n"
 python -c "import torch; import torchaudio; import torchcodec; print(torch.__version__, torchaudio.__version__, torchcodec.__version__)"
 
 printf "* Installing test tools\n"