chore(deps): update dependency go to v1.23.6 (#947)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

go.mod

@@ -2,7 +2,7 @@ module github.com/nikoksr/notify
 
 go 1.22.7
 
-toolchain go1.23.5
+toolchain go1.23.6
 
 require (
 	github.com/RocketChat/Rocket.Chat.Go.SDK v0.0.0-20240116134246-a8cbe886bab0