Merge pull request #147 from buildkite-plugins/renovate/go-1.x

chore(deps): update dependency go to v1.25.6

Author: pzeballos

go.mod

@@ -2,7 +2,7 @@ module github.com/buildkite-plugins/monorepo-diff-buildkite-plugin
 
 go 1.22
 
-toolchain go1.25.5
+toolchain go1.25.6
 
 require (
 	github.com/bmatcuk/doublestar/v4 v4.9.2