Bump to 1.0.0-beta1

Author: fluorumlabs

README.md

@@ -98,7 +98,7 @@ to pool size of 25 threads. You can change that with `AsyncManager.getInstance()
 <dependency>
    <groupId>org.vaadin.helper</groupId>
    <artifactId>async-manager</artifactId>
-   <version>1.0.0-alpha4</version>
+   <version>1.0.0-beta1</version>
 </dependency>
 ```
 

pom.xml

@@ -5,7 +5,7 @@
 
     <groupId>org.vaadin.helper</groupId>
     <artifactId>async-manager</artifactId>
-    <version>1.0.0-alpha4</version>
+    <version>1.0.0-beta1</version>
     <name>Async Manager</name>
     <description>Async Manager for Vaadin Flow</description>