Fix build for "Ubuntu 22.04.3 LTS".

Update thirdparty/catch.hpp to v2.13.7.

Update README.md build instructions to avoid footguns.

Author: 0xth30r3m

packages/loopring_v3/README.md

@@ -2,6 +2,7 @@
 
 ## Build
 
+### MacOS
 If you are using a Mac, you will need to (re）install the commandline tool:
 
 ```
@@ -23,8 +24,13 @@ Then you may also need to install "lgmpxx":
 	sudo make install
 ```
 
-Please use node v14.15.5.
-- `git submodule update --init --recursive` execute in the protocols directory
+### Build steps
+Use the following build dependencies:
+- node v14.15.5 (`nvm install 14.15.5`)
+- python 3.10	(`pyenv local 3.10`)
+
+Execute the following in the `protocols` directory:
+- `git submodule update --init --recursive`
 - `npm install`
 - `npm run build` or `npm run compile` or `npm run watch`.