Updated Ubnutu version and go version in docs (#587)

Updated Go Lang version in docs
Updated Ubuntu version since some features work on v22 as well

Co-authored-by: Rares Gaia <ragaia@cisco.com>

docs/prerequisites.md

@@ -41,9 +41,9 @@ eval "$(pyenv init -)"
 echo -e '\nif command -v pyenv 1>/dev/null 2>&1; then\n    eval "$(pyenv init -)"\nfi' >> ~/.bash_profile
 ```
 
-#### Ubuntu 20.04
+#### Ubuntu 20.04 or 22.04
 
-The following shows how to install the Python environment for SDK in Ubuntu 20.04.
+The following shows how to install the Python environment for SDK in Ubuntu 20.04 or 22.04.
 
 First, keep package list and their dependencies up to date.
 ```bash
@@ -101,9 +101,9 @@ Depending on Linux distributions, several package managers such as `apt`, `yum`,
 brew install go
 brew install golangci-lint
 ```
-### Ubuntu 20.04
+### Ubuntu 20.04 or 22.04
 
-The following shows how to install the above packages in Ubuntu 20.04.
+The following shows how to install the above packages in Ubuntu 20.04 or 22.04.
 
 First, keep package list and their dependencies up to date.
 ```bash

docs/quickstart-ubuntu.md

@@ -2,7 +2,7 @@
 
 ### Prerequisites
 
-* Ubuntu 20.04
+* Ubuntu 20.04 or 22.04
 * Install [anaconda](https://www.anaconda.com/download/) or [miniconda](https://docs.conda.io/en/latest/miniconda.html) in order to create the environment.
 * Clone repo (you could use `git clone https://github.com/cisco-open/flame.git`).