Update dependency go to v1.22.6

renovate[bot] · web-flow · commit 61f883f0c772 · 2024-08-06T20:46:53.000Z
diff --git a/go.mod b/go.mod
@@ -2,7 +2,7 @@ module github.com/projectsyn/steward
 
 go 1.21
 
-toolchain go1.21.4
+toolchain go1.22.6
 
 require (
 	github.com/alecthomas/kingpin/v2 v2.4.0
