Fixes to lazygit Ubuntu install instructions in README.md (jesseduffi…

…eld#3970)

- **PR Description**
Found that the method to pull the latest tarball for the project was
incorrect. This pull request fixes the instructions in the Ubuntu
section of the Readme.

Simple fix to README.md

README.md

@@ -306,8 +306,8 @@ sudo eopkg install lazygit
 ### Ubuntu
 
 ```sh
-LAZYGIT_VERSION=$(curl -s "https://api.github.com/repos/jesseduffield/lazygit/releases/latest" | grep -Po '"tag_name": "v\K[^"]*')
-curl -Lo lazygit.tar.gz "https://github.com/jesseduffield/lazygit/releases/latest/download/lazygit_${LAZYGIT_VERSION}_Linux_x86_64.tar.gz"
+LAZYGIT_VERSION=$(curl -s "https://api.github.com/repos/jesseduffield/lazygit/releases/latest" | \grep -Po '"tag_name": *"v\K[^"]*')
+curl -Lo lazygit.tar.gz "https://github.com/jesseduffield/lazygit/releases/download/v${LAZYGIT_VERSION}/lazygit_${LAZYGIT_VERSION}_Linux_x86_64.tar.gz"
 tar xf lazygit.tar.gz lazygit
 sudo install lazygit -D -t /usr/local/bin/
 ```