chore(deps): update dependency go to v1.22.6 (#25)

Co-authored-by: ibm-mend-app[bot] <ibm-mend-app[bot]@users.noreply.github.com>

Author: ibm-mend-app[bot]

go.mod

@@ -2,7 +2,7 @@ module github.com/ibm-skills-network/cert-manager-webhook-ibm-cis
 
 go 1.22.0
 
-toolchain go1.22.4
+toolchain go1.22.6
 
 require (
 	github.com/IBM-Cloud/bluemix-go v0.0.0-20240719075425-078fcb3a55be