Upgrade to SpringDoc 2.3.0 (halo-dev#4987)

#### What type of PR is this?

/kind cleanup
/area core
/milestone 2.12.x

#### What this PR does / why we need it:

Upgrade to SpringDoc 2.3.0. See https://github.com/springdoc/springdoc-openapi/releases/tag/v2.3.0 for more.

#### Does this PR introduce a user-facing change?

```release-note
升级 SpringDoc 至 2.3.0
```

platform/application/build.gradle

@@ -18,7 +18,7 @@ ext {
     guava = "32.0.1-jre"
     jsoup = '1.15.3'
     jsonPatch = "1.13"
-    springDocOpenAPI = "2.2.1-SNAPSHOT"
+    springDocOpenAPI = "2.3.0"
     lucene = "9.7.0"
     resilience4jVersion = "2.0.2"
 }