Update CI badges in README (#131)

Signed-off-by: Ian Chen <[email protected]>

README.md

@@ -10,9 +10,9 @@
 Build | Status
 -- | --
 Test coverage | [![codecov](https://codecov.io/gh/gazebosim/gz-tools/branch/ign-tools2/graph/badge.svg)](https://codecov.io/gh/gazebosim/gz-tools)
-Ubuntu Focal | [![Build Status](https://build.osrfoundation.org/buildStatus/icon?job=ignition_tools-ci-ign-tools2-focal-amd64)](https://build.osrfoundation.org/job/ignition_tools-ci-ign-tools2-focal-amd64)
-Homebrew | [![Build Status](https://build.osrfoundation.org/buildStatus/icon?job=ignition_tools-ci-ign-tools2-homebrew-amd64)](https://build.osrfoundation.org/job/ignition_tools-ci-ign-tools2-homebrew-amd64)
-Windows | [![Build Status](https://build.osrfoundation.org/buildStatus/icon?job=ign_tools-ign-2-win)](https://build.osrfoundation.org/job/ign_tools-ign-2-win)
+Ubuntu Jammy | [![Build Status](https://build.osrfoundation.org/buildStatus/icon?job=gz_tools-ci-gz-tools2-jammy-amd64)](https://build.osrfoundation.org/job/gz_tools-ci-gz-tools2-jammy-amd64)
+Homebrew | [![Build Status](https://build.osrfoundation.org/buildStatus/icon?job=gz_tools-ci-gz-tools2-homebrew-amd64)](https://build.osrfoundation.org/job/gz_tools-ci-gz-tools2-homebrew-amd64)
+Windows | [![Build Status](https://build.osrfoundation.org/buildStatus/icon?job=gz_tools-2-win)](https://build.osrfoundation.org/job/gz_tools-2-win)
 
 Gazebo Tools provide the `gz` command line tool that accepts multiple
 subcommands. Each subcommand is implemented in a plugin that belongs to a