Bump token-validation-spring from 2.1.4 to 2.1.6

Bumps [token-validation-spring](https://github.com/navikt/token-support) from 2.1.4 to 2.1.6.
- [Release notes](https://github.com/navikt/token-support/releases)
- [Commits](navikt/token-support@2.1.4...2.1.6)

---
updated-dependencies:
- dependency-name: no.nav.security:token-validation-spring
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle.kts

@@ -5,7 +5,7 @@ val logstashVersion = "7.2"
 val springVersion = "2.5.5"
 val testContainersVersion = "1.17.3"
 val springDocVersion = "1.6.11"
-val tokenValidationVersion = "2.1.4"
+val tokenValidationVersion = "2.1.6"
 val problemSpringWebStartVersion = "0.27.0"
 
 repositories {