Bump tokenSupportVersion from 5.0.15 to 5.0.16 (#415)

Bumps `tokenSupportVersion` from 5.0.15 to 5.0.16.

Updates `no.nav.security:token-validation-ktor-v3` from 5.0.15 to 5.0.16
- [Release notes](https://github.com/navikt/token-support/releases)
- [Commits](navikt/token-support@5.0.15...5.0.16)

Updates `no.nav.security:token-client-core` from 5.0.15 to 5.0.16
- [Release notes](https://github.com/navikt/token-support/releases)
- [Commits](navikt/token-support@5.0.15...5.0.16)

---
updated-dependencies:
- dependency-name: no.nav.security:token-validation-ktor-v3
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: no.nav.security:token-client-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle.kts

@@ -7,7 +7,7 @@ val ktorVersion = "3.0.3"
 val kotestVersion = "5.9.1"
 val jacksonVersion = "2.18.2"
 val kotlinxCoroutinesVersion = "1.10.1"
-val tokenSupportVersion = "5.0.15"
+val tokenSupportVersion = "5.0.16"
 val prometheusVersion = "0.16.0"
 val apacheCommonsTextVersion = "1.13.0"
 val unleashVersion = "9.3.1"