Bump no.nav.security:mock-oauth2-server from 2.2.1 to 2.3.0 (#479)

Bumps [no.nav.security:mock-oauth2-server](https://github.com/navikt/mock-oauth2-server) from 2.2.1 to 2.3.0.
- [Release notes](https://github.com/navikt/mock-oauth2-server/releases)
- [Commits](navikt/mock-oauth2-server@2.2.1...2.3.0)

---
updated-dependencies:
- dependency-name: no.nav.security:mock-oauth2-server
  dependency-version: 2.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

app/build.gradle.kts

@@ -12,7 +12,7 @@ application {
 
 val ktorVersion = "3.2.3"
 val komponenterVersjon = "1.0.346"
-val mockOAuth2ServerVersion = "2.2.1"
+val mockOAuth2ServerVersion = "2.3.0"
 val apiInternVersjon = "0.0.15"
 
 dependencies {