update to go1.22.6

- https://github.com/golang/go/issues?q=milestone%3AGo1.22.6+label%3ACherryPickApproved
- full diff: https://github.com/golang/go/compare/go1.22.5...go1.22.6

go1.22.6 (released 2024-08-06) includes fixes to the go command, the compiler,
the linker, the trace command, the covdata command, and the bytes, go/types,
and os/exec packages. See the Go 1.22.6 milestone on our issue tracker for
details.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

.github/workflows/api-release.yml

@@ -6,7 +6,7 @@ on:
 name: API Release
 
 env:
-  GO_VERSION: "1.22.5"
+  GO_VERSION: "1.22.6"
 
 permissions: # added using https://github.com/step-security/secure-workflows
   contents: read