feat: update component to be compatible with Vaadin 23

Author: paodb

vcf-date-range-picker-demo/pom.xml

@@ -17,10 +17,10 @@
     </organization>
 
     <properties>
-        <vaadin.version>21.0.3</vaadin.version>
-        <flow.version>8.0.3</flow.version>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
+        <vaadin.version>23.0.7</vaadin.version>
+        <flow.version>23.0.5</flow.version>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <failOnMissingWebXml>false</failOnMissingWebXml>
     </properties>
@@ -63,7 +63,7 @@
         <dependency>
             <groupId>com.vaadin</groupId>
             <artifactId>flow-component-demo-helpers</artifactId>
-            <version>${flow.version}</version>
+            <version>9.0.12</version>
         </dependency>
 
         <!-- externals -->

vcf-date-range-picker/pom.xml

@@ -18,10 +18,10 @@
     </organization>
 
     <properties>
-        <vaadin.version>21.0.3</vaadin.version>
-        <flow.version>8.0.3</flow.version>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
+        <vaadin.version>23.0.7</vaadin.version>
+        <flow.version>23.0.5</flow.version>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
     </properties>
 
     <dependencyManagement>