README: Update the Go support version to 1.23

The lack of workspace vendoring support from 1.22 remains true even for
1.23.

Signed-off-by: Erik Skultety <[email protected]>

Author: eskultety

README.md

@@ -747,7 +747,7 @@ The table below shows the supported package managers and their support level in
 
 Tool     | Version |
 ---      |---------|
-Go*      | 1.20.7, 1.22.0 (no workspace vendoring support)  |
+Go*      | 1.20.7, 1.23.0 (no workspace vendoring support) |
 Npm      | 9.5.0   |
 Node     | 18.16.1 |
 Pip      | 22.3.1  |