migrate spring-bootfrom 2 to 3

Author: thomaswoehlke

pom.xml

@@ -643,7 +643,7 @@
             <dependency>
                 <groupId>org.antlr</groupId>
                 <artifactId>antlr4-runtime</artifactId>
-                <version>4.11.1</version>
+                <version>4.10.1</version>
                 <scope>runtime</scope>
             </dependency>
         </dependencies>

src/main/resources/templates/layout/task.html

@@ -8,7 +8,7 @@
   <input type="hidden" th:field="*{id}"/>
   <input type="hidden" th:field="*{uuid}"/>
   <input type="hidden" th:field="*{focus}"/>
-  <input type="hidden" th:field="*{rowCreatedAt.toString()}"/>
+  <input type="hidden" th:field="*{rowCreatedAt}"/>
   <input type="hidden" th:name="${_csrf.parameterName}" th:value="${_csrf.token}"/>
   <div class="row">
     <div class="col-md">