Ui containerlab integration

Description

Integrating the web ui into the existing container lab.

Steps to test

Execute the following command make containerlab-slim-start. After the build process the web ui should be available on localhost:8088. The poc is to open the website and try to login with the default credentials provided by gosdn

Merge Process

This MR only contains the commits related to the web ui integration into container lab for a better overview/review experience

go.mod

 module code.fbi.h-da.de/danet/gosdn
 
-go 1.23
+go 1.23.4
+
+toolchain go1.23.6
 
 require (
 	github.com/aristanetworks/goarista v0.0.0-20250108234106-1f88a86e2265
@@ -10,7 +12,7 @@ require (
 	github.com/google/uuid v1.6.0
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.0
 	github.com/mitchellh/go-homedir v1.1.0
-	github.com/openconfig/gnmi v0.12.0
+	github.com/openconfig/gnmi v0.13.0
 	github.com/openconfig/goyang v1.6.0
 	github.com/openconfig/ygot v0.29.20
 	github.com/prometheus/client_golang v1.20.5