upgrade dependencies, migration

core/pom.xml

@@ -56,13 +56,13 @@
 		<dependency>
 			<groupId>commons-validator</groupId>
 			<artifactId>commons-validator</artifactId>
-			<version>1.9.0</version>
+			<version>${commons-validator.version}</version>
 		</dependency>
 
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
-			<version>33.3.1-jre</version>
+			<version>${guava.version}</version>
 		</dependency>
 
 		<dependency>
@@ -73,19 +73,19 @@
 		<dependency>
 			<groupId>org.passay</groupId>
 			<artifactId>passay</artifactId>
-			<version>1.6.5</version>
+			<version>${passay.version}</version>
 		</dependency>
 
 		<dependency>
 			<groupId>dev.samstevens.totp</groupId>
 			<artifactId>totp-spring-boot-starter</artifactId>
-			<version>1.7.1</version>
+			<version>${totp.version}</version>
 		</dependency>
 
 		<dependency>
 			<groupId>org.bouncycastle</groupId>
 			<artifactId>bcprov-jdk18on</artifactId>
-			<version>1.78.1</version>
+			<version>${bouncycastle.version}</version>
 		</dependency>
 
 		<dependency>
@@ -96,13 +96,13 @@
 		<dependency>
 			<groupId>javax.measure</groupId>
 			<artifactId>unit-api</artifactId>
-			<version>2.2</version>
+			<version>${unit-api.version}</version>
 		</dependency>
 
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-csv</artifactId>
-			<version>1.12.0</version>
+			<version>${commons-csv.version}</version>
 		</dependency>
 	</dependencies>
 </project>

core/src/main/java/de/bstly/we/controller/support/EntityResponseStatusException.java

@@ -3,7 +3,7 @@
  */
 package de.bstly.we.controller.support;
 
-import javax.annotation.Nullable;
+import org.springframework.lang.Nullable;
 
 import org.springframework.core.NestedRuntimeException;
 import org.springframework.http.HttpStatusCode;