Libp2p v0.48.0 upgrade (#3547)

## Issue Addressed

Upgrades libp2p to v.0.47.0. This is the compilation of
- [x] #3495 
- [x] #3497 
- [x] #3491 
- [x] #3546 
- [x] #3553 

Co-authored-by: Age Manning <Age@AgeManning.com>

book/src/installation-source.md

@@ -16,7 +16,7 @@ operating system.
 Install the following packages:
 
 ```bash
-sudo apt install -y git gcc g++ make cmake pkg-config llvm-dev libclang-dev clang
+sudo apt install -y git gcc g++ make cmake pkg-config llvm-dev libclang-dev clang protobuf-compiler
 ```
 
 > Note: Lighthouse requires CMake v3.12 or newer, which isn't available in the package repositories
@@ -32,13 +32,18 @@ sudo apt install -y git gcc g++ make cmake pkg-config llvm-dev libclang-dev clan
 brew install cmake
 ```
 
+1. Install protoc using Homebrew:
+```
+brew install protobuf
+```
+
 [Homebrew]: https://brew.sh/
 
 #### Windows
 
 1. Install [Git](https://git-scm.com/book/en/v2/Getting-Started-Installing-Git).
 1. Install the [Chocolatey](https://chocolatey.org/install) package manager for Windows.
-1. Install Make, CMake and LLVM using Chocolatey:
+1. Install Make, CMake, LLVM and protoc using Chocolatey:
 
 ```
 choco install make
@@ -52,10 +57,13 @@ choco install cmake --installargs 'ADD_CMAKE_TO_PATH=System'
 choco install llvm
 ```
 
+```
+choco install protoc
+```
+
 These dependencies are for compiling Lighthouse natively on Windows. Lighthouse can also run
 successfully under the [Windows Subsystem for Linux (WSL)][WSL]. If using Ubuntu under WSL, you
 should follow the instructions for Ubuntu listed in the [Dependencies (Ubuntu)](#ubuntu) section.
-
 [WSL]: https://docs.microsoft.com/en-us/windows/wsl/about
 
 ## Build Lighthouse