Add Go 1.19 to test matrix

What does this MR do?

Go 1.19 released a few days back. This MR adds Go 1.19 in our test matrix.

TODO

• I added the Changelog trailer to the commits that need to be included in the changelog (e.g. Changelog: added)
• I added unit tests or they are not required
• I added acceptance tests or they are not required
• I added documentation (or it's not required)
• I followed code review guidelines
• I followed Go Style guidelines