docs: update version to 2.0.0-beta2

Author: mariuszs

README.md

@@ -111,7 +111,7 @@ Dependencies
 <dependency>
     <groupId>com.devskiller.friendly-id</groupId>
     <artifactId>friendly-id</artifactId>
-    <version>2.0.0-beta1</version>
+    <version>2.0.0-beta2</version>
 </dependency>
 ```
 
@@ -161,7 +161,7 @@ The FriendlyID library includes a Spring configuration to make it easy to add sh
 <dependency>
     <groupId>com.devskiller.friendly-id</groupId>
     <artifactId>friendly-id-spring-boot-starter</artifactId>
-    <version>2.0.0-beta1</version>
+    <version>2.0.0-beta2</version>
 </dependency>
 ```
 
@@ -205,7 +205,7 @@ First, add the following Jackson module dependency:
 <dependency>
     <groupId>com.devskiller.friendly-id</groupId>
     <artifactId>friendly-id-jackson-datatype</artifactId>
-    <version>2.0.0-beta1</version>
+    <version>2.0.0-beta2</version>
 </dependency>
 ```
 Then register the `FriendlyIdModule` module as follows:
@@ -224,7 +224,7 @@ First, add the dependency:
 <dependency>
     <groupId>com.devskiller.friendly-id</groupId>
     <artifactId>friendly-id-jooq</artifactId>
-    <version>2.0.0-beta1</version>
+    <version>2.0.0-beta2</version>
 </dependency>
 ```
 
@@ -251,7 +251,7 @@ First, add the dependency:
 <dependency>
     <groupId>com.devskiller.friendly-id</groupId>
     <artifactId>friendly-id-jpa</artifactId>
-    <version>2.0.0-beta1</version>
+    <version>2.0.0-beta2</version>
 </dependency>
 ```
 
@@ -279,7 +279,7 @@ First, add the dependency:
 <dependency>
     <groupId>com.devskiller.friendly-id</groupId>
     <artifactId>friendly-id-openfeign</artifactId>
-    <version>2.0.0-beta1</version>
+    <version>2.0.0-beta2</version>
 </dependency>
 ```
 
@@ -319,7 +319,7 @@ Update dependencies to use the new version:
 <dependency>
     <groupId>com.devskiller.friendly-id</groupId>
     <artifactId>friendly-id-spring-boot-starter</artifactId>
-    <version>2.0.0-beta1</version>
+    <version>2.0.0-beta2</version>
 </dependency>
 ```
 
@@ -331,7 +331,7 @@ Use the new Jackson 2.x module:
 <dependency>
     <groupId>com.devskiller.friendly-id</groupId>
     <artifactId>friendly-id-jackson2-datatype</artifactId>
-    <version>2.0.0-beta1</version>
+    <version>2.0.0-beta2</version>
 </dependency>
 ```