Bump no.nav.security:token-validation-ktor-v3 from 5.0.19 to 5.0.20

Bumps [no.nav.security:token-validation-ktor-v3](https://github.com/navikt/token-support) from 5.0.19 to 5.0.20.
- [Release notes](https://github.com/navikt/token-support/releases)
- [Commits](navikt/token-support@5.0.19...5.0.20)

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

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

Author: dependabot[bot]

Diff for: build.gradle.kts

@@ -19,7 +19,7 @@ val ojdbc8Version = "19.3.0.0"
 val postgresVersion = "42.7.5"
 val swaggerVersion = "5.20.0" // Husk å endre versjonen også i resource i SwaggerUi.kt
 val tjenestespecVersion = "2643.2f3e8e9"
-val tokenValidationVersion = "5.0.19"
+val tokenValidationVersion = "5.0.20"
 val vaultJdbcVersion = "1.3.10"
 val vaultVersion = "5.1.0"