chore: bump version to 2.4.0

Synchronized across Directory.Build.props, compose.yaml, deploy.yml,
NavMenu.razor, and project structure tests.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/GmRelay.DiscordBot/packages.lock.json

@@ -22,6 +22,12 @@
           "OpenTelemetry.Extensions.Hosting": "1.15.0"
         }
       },
+      "Dapper": {
+        "type": "Direct",
+        "requested": "[2.1.72, )",
+        "resolved": "2.1.72",
+        "contentHash": "ns4mGqQd9a/MhP8m6w556vVlZIa0/MfUu03zrxjZC/jlr1uVCsUac8bkdB+Fs98Llbd56rRSo1eZH5VVmeGZyw=="
+      },
       "Microsoft.Extensions.Hosting": {
         "type": "Direct",
         "requested": "[10.0.5, )",
@@ -79,6 +85,15 @@
           "NetCord.Services": "1.0.0-alpha.489"
         }
       },
+      "NetCord.Services": {
+        "type": "Direct",
+        "requested": "[1.0.0-alpha.489, )",
+        "resolved": "1.0.0-alpha.489",
+        "contentHash": "SwG/7Khba1uRENDvG22RV/POByIwh/ZrenMrSzwoEcEYPMI5TabmEEB3ySH15XGdLcFZJEj106AlriN0kZhfFg==",
+        "dependencies": {
+          "NetCord": "1.0.0-alpha.489"
+        }
+      },
       "Npgsql": {
         "type": "Direct",
         "requested": "[10.0.2, )",
@@ -519,14 +534,6 @@
         "resolved": "1.0.0-alpha.489",
         "contentHash": "/rM73l1pwwJCWHi7YrIiSVc+GVL0lV+k+amqNJUMINjLO+c5bKWj9PoNNoMhiPZoaORO4k6Uxp8EQfoQj3AYtA=="
       },
-      "NetCord.Services": {
-        "type": "Transitive",
-        "resolved": "1.0.0-alpha.489",
-        "contentHash": "SwG/7Khba1uRENDvG22RV/POByIwh/ZrenMrSzwoEcEYPMI5TabmEEB3ySH15XGdLcFZJEj106AlriN0kZhfFg==",
-        "dependencies": {
-          "NetCord": "1.0.0-alpha.489"
-        }
-      },
       "Npgsql.DependencyInjection": {
         "type": "Transitive",
         "resolved": "10.0.1",

src/GmRelay.Web/Components/Layout/NavMenu.razor

@@ -56,7 +56,7 @@
                     </button>
                 </form>
 
-                <div class="nav-version">v2.3.0</div>
+                <div class="nav-version">v2.4.0</div>
             </div>
         </Authorized>
         <NotAuthorized>