Bump no.nav.security:mock-oauth2-server from 2.3.0 to 3.0.0

Bumps [no.nav.security:mock-oauth2-server](https://github.com/navikt/mock-oauth2-server) from 2.3.0 to 3.0.0.
- [Release notes](https://github.com/navikt/mock-oauth2-server/releases)
- [Commits](navikt/mock-oauth2-server@2.3.0...3.0.0)

---
updated-dependencies:
- dependency-name: no.nav.security:mock-oauth2-server
  dependency-version: 3.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

dp-inntekt-api/build.gradle.kts

@@ -68,7 +68,7 @@ dependencies {
     testImplementation(kotlin("test"))
     testImplementation(libs.ktor.server.test.host)
 
-    testImplementation("no.nav.security:mock-oauth2-server:2.3.0")
+    testImplementation("no.nav.security:mock-oauth2-server:3.0.0")
     testImplementation("io.ktor:ktor-client-mock:${libs.versions.ktor.get()}")
 
     testImplementation("org.wiremock:wiremock-standalone:3.13.1")