Bump com.nimbusds:oauth2-oidc-sdk from 11.14 to 11.18 (#795)

Bumps [com.nimbusds:oauth2-oidc-sdk](https://bitbucket.org/connect2id/oauth-2.0-sdk-with-openid-connect-extensions) from 11.14 to 11.18.
- [Changelog](https://bitbucket.org/connect2id/oauth-2.0-sdk-with-openid-connect-extensions/src/master/CHANGELOG.txt)
- [Commits](https://bitbucket.org/connect2id/oauth-2.0-sdk-with-openid-connect-extensions/branches/compare/11.18..11.14)

---
updated-dependencies:
- dependency-name: com.nimbusds:oauth2-oidc-sdk
  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]

Diff for: pom.xml

@@ -48,7 +48,7 @@
 
         <!-- Interne versjoner -->
         <junit.version>5.10.3</junit.version>
-        <oauth2-oidc-sdk.version>11.14</oauth2-oidc-sdk.version>
+        <oauth2-oidc-sdk.version>11.18</oauth2-oidc-sdk.version>
         <wiremock.version>3.9.1</wiremock.version>
         <netty-codec-http2.version>4.1.112.Final</netty-codec-http2.version>
     </properties>