Update CI badges in README (#1352)

* Update CI badges in README

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

* point to release branch job

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

* coverage

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

---------

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

Author: iche033

README.md

@@ -10,10 +10,10 @@ Note: The branch name in the codecov URL & library version should be updated whe
 -->
 Build | Status
 -- | --
-Test coverage | [![codecov](https://codecov.io/gh/gazebosim/sdformat/branch/main/graph/badge.svg)](https://codecov.io/gh/gazebosim/sdformat/branch/main)
-Ubuntu Focal | [![Build Status](https://build.osrfoundation.org/buildStatus/icon?job=sdformat-ci-main-focal-amd64)](https://build.osrfoundation.org/job/sdformat-ci-main-focal-amd64)
-Homebrew      | [![Build Status](https://build.osrfoundation.org/buildStatus/icon?job=sdformat-ci-main-homebrew-amd64)](https://build.osrfoundation.org/job/sdformat-ci-main-homebrew-amd64)
-Windows       | [![Build Status](https://build.osrfoundation.org/buildStatus/icon?job=sdformat-ci-main-windows7-amd64)](https://build.osrfoundation.org/job/sdformat-ci-main-windows7-amd64)
+Test coverage | [![codecov](https://codecov.io/gh/gazebosim/sdformat/tree/sdf14/graph/badge.svg)](https://codecov.io/gh/gazebosim/sdformat/tree/sdf14)
+Ubuntu Jammy  | [![Build Status](https://build.osrfoundation.org/buildStatus/icon?job=sdformat-ci-sdf14-jammy-amd64)](https://build.osrfoundation.org/job/sdformat-ci-sdf14-jammy-amd64)
+Homebrew      | [![Build Status](https://build.osrfoundation.org/buildStatus/icon?job=sdformat-ci-sdf14-homebrew-amd64)](https://build.osrfoundation.org/job/sdformat-ci-sdf14-homebrew-amd64)
+Windows       | [![Build Status](https://build.osrfoundation.org/buildStatus/icon?job=sdformat-sdf14-win)](https://build.osrfoundation.org/job/sdformat-sdf14-win)
 
 
 SDFormat is an XML file format that describes environments, objects, and robots