docker-compose: Update go to 1.23

Author: monstermunchkin

docker-compose.yml

@@ -25,7 +25,7 @@ services:
       - MINIO_ACCESS_KEY=client
       - MINIO_SECRET_KEY=secret01
       - MINIO_REGION_NAME=us-east-1
-  
+
   couchdb:
     image: couchdb
     volumes:
@@ -56,7 +56,7 @@ services:
      - "./prometheus.yml:/etc/prometheus/prometheus.yml"
 
   testserver:
-    image: "golang:1.21"
+    image: "golang:1.23"
     volumes:
       - .:/srv
     working_dir: /srv