chore(deps): update dependency go to v1.25.0

Author: mend-for-github-com[bot]

go.mod

@@ -2,7 +2,7 @@ module github.com/Vonage/numkey
 
 go 1.24
 
-toolchain go1.24.6
+toolchain go1.25.0
 
 require (
 	github.com/jstemmer/go-junit-report/v2 v2.1.0