Remove unused dependencies and update library versions

Unused `reactor-spring` dependency has been removed from multiple modules. Library versions have been updated across the project to keep dependencies up to date, ensuring compatibility and addressing potential issues.
#deploy-tilbakemelding-api
#deploy-organisasjon-faste-data-service
#deploy-test-dolly-backend

Author: stigus

apps/dolly-backend/src/main/java/no/nav/dolly/DollyBackendApplicationStarter.java

@@ -14,4 +14,4 @@ public static void main(String[] args) {
                 .initializers(new NaisEnvironmentApplicationContextInitializer())
                 .run(args);
     }
-}
+}

apps/organisasjon-faste-data-service/src/main/java/no/nav/registre/testnorge/organisasjonfastedataservice/OrganisasjonFasteDataServiceApplicationStarter.java

@@ -13,4 +13,4 @@ public static void main(String[] args) {
                 .initializers(new NaisEnvironmentApplicationContextInitializer())
                 .run(args);
     }
-}
+}

apps/tilbakemelding-api/src/main/java/no/nav/registre/testnorge/tilbakemeldingapi/TilbakemeldingApiApplicationStarter.java

@@ -13,4 +13,4 @@ public static void main(String[] args) {
                 .initializers(new NaisEnvironmentApplicationContextInitializer())
                 .run(args);
     }
-}
+}