Update dev install instructions

Author: michaelosthege

README.md

@@ -70,7 +70,7 @@ conda env create -f environment.yml
 Additional dependencies are needed to compile the [protobufs](./protobufs/):
 
 ```bash
-conda install -c conda-forge protobuf
+conda install -c conda-forge libprotobuf-static
 pip install --pre betterproto[compiler]
 ```