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>

script/setup/prepare_env_windows.ps1

@@ -5,7 +5,7 @@
 # lived test environment.
 Set-MpPreference -DisableRealtimeMonitoring:$true
 
-$PACKAGES= @{ mingw = "10.2.0"; git = ""; golang = "1.22.5"; make = ""; nssm = "" }
+$PACKAGES= @{ mingw = "10.2.0"; git = ""; golang = "1.22.6"; make = ""; nssm = "" }
 
 Write-Host "Downloading chocolatey package"
 curl.exe -L "https://packages.chocolatey.org/chocolatey.0.10.15.nupkg" -o 'c:\choco.zip'