build(deps): update dependency go to v1.23.4 (#176)

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

Author: renovate[bot]

go.mod

@@ -2,7 +2,7 @@ module authelia.com/provider/oauth2
 
 go 1.22
 
-toolchain go1.23.3
+toolchain go1.23.4
 
 require (
 	github.com/dgraph-io/ristretto v0.1.1