Organize versions via version catalogs

See https://docs.gradle.org/current/userguide/platforms.html#sub:central-declaration-of-dependencies

gradle/libs.versions.toml

@@ -0,0 +1,34 @@
+[versions]
+junitVersion = "5.10.3"
+retrofitVersion = "2.11.0"
+
+[libraries]
+assertjCore = { module = "org.assertj:assertj-core", version = "3.26.3" }
+bcprovJdk15on = { module = "org.bouncycastle:bcprov-jdk15on", version = "1.70" }
+commonsIo = { module = "commons-io:commons-io", version = "2.16.1" }
+jacksonBom = { module = "com.fasterxml.jackson:jackson-bom", version = "2.17.1" }
+jakartaPersistenceApi = { module = "jakarta.persistence:jakarta.persistence-api", version = "3.2.0" }
+jqwik = { module = "net.jqwik:jqwik", version = "1.8.5" }
+jsr305 = { module = "com.google.code.findbugs:jsr305", version = "3.0.2" }
+junitBom = { module = "org.junit:junit-bom", version.ref = "junitVersion" }
+junitJupiterApi = { module = "org.junit.jupiter:junit-jupiter-api", version.ref = "junitVersion" }
+junitJupiterEngine = { module = "org.junit.jupiter:junit-jupiter-engine", version.ref = "junitVersion" }
+junitJupiterParams = { module = "org.junit.jupiter:junit-jupiter-params", version.ref = "junitVersion" }
+junitPlatformLauncher = { module = "org.junit.platform:junit-platform-launcher", version = "1.10.3" }
+logbackClassic = { module = "ch.qos.logback:logback-classic", version = "1.5.6" }
+mockOauth2Server = { module = "no.nav.security:mock-oauth2-server", version = "2.1.5" }
+mockwebserver = { module = "com.squareup.okhttp3:mockwebserver", version = "4.12.0" }
+okHttp3 = { module = "com.squareup.okhttp3:okhttp", version = "4.12.0" }
+retrofit2 = { module = "com.squareup.retrofit2:retrofit", version.ref = "retrofitVersion" }
+retrofit2ConverterJackson = { module = "com.squareup.retrofit2:converter-jackson", version.ref = "retrofitVersion" }
+retrofit2ConverterScalars = { module = "com.squareup.retrofit2:converter-scalars", version.ref = "retrofitVersion" }
+seleniumJava = { module = "org.seleniumhq.selenium:selenium-java", version = "4.21.0" }
+slf4jApi = { module = "org.slf4j:slf4j-api", version = "2.0.13" }
+springData = { module = "org.springframework.data:spring-data-commons", version = "3.3.2" }
+webdrivermanager = { module = "io.github.bonigarcia:webdrivermanager", version = "5.8.0" }
+
+[plugins]
+asciidoctor = { id = "org.asciidoctor.jvm.convert", version = "4.0.3" }
+nexusPublish = { id = "io.github.gradle-nexus.publish-plugin", version = "2.0.0" }
+sonar = { id = "org.sonarqube", version = "5.1.0.4882" }
+spotless = { id = "com.diffplug.spotless", version = "6.25.0" }