[FLUSS-2113][build] Updated Documentation and References to Reflect Upgraded Maven Version

Author: rionmonster

README.md

@@ -60,7 +60,7 @@ Prerequisites for building Apache Fluss:
 
 - Unix-like environment (we use Linux, Mac OS X, Cygwin, WSL)
 - Git
-- Maven (we require version >= 3.8.6)
+- Maven (we require version >= 3.9.11)
 - Java 11
 
 ```bash

pom.xml

@@ -757,8 +757,8 @@
                         <configuration>
                             <rules>
                                 <requireMavenVersion>
-                                    <!-- enforce at least mvn version 3.8.6 -->
-                                    <version>[3.8.6,)</version>
+                                    <!-- enforce at least mvn version 3.9.11 -->
+                                    <version>[3.9.11,)</version>
                                 </requireMavenVersion>
                                 <requireJavaVersion>
                                     <version>${target.java.version}</version>

website/community/dev/building.md

@@ -9,7 +9,7 @@ This page covers how to build Fluss from sources.
 
 In order to build Fluss you need to get the source code by [cloning the git repository](https://github.com/apache/fluss).
 
-In addition, you need **Maven 3.8.6** and a **JDK** (Java Development Kit). Fluss requires **Java 11** to build.
+In addition, you need **Maven 3.9.11** and a **JDK** (Java Development Kit). Fluss requires **Java 11** to build.
 
 To clone from git, enter:
 

website/community/how-to-release/creating-a-fluss-release.mdx

@@ -82,7 +82,7 @@ This ensures the milestone accurately reflects all the issues delivered in the r
 
 ### 4. Verify Java and Maven Version
 
-Run `mvn -v` and `java -version` on your local machine. All of the following steps require to use **Maven 3.8.6** and **Java 11**. Modify your `PATH` environment variable accordingly if needed.
+Run `mvn -v` and `java -version` on your local machine. All of the following steps require to use **Maven 3.9.11** and **Java 11**. Modify your `PATH` environment variable accordingly if needed.
 
 
 ### 5. Clone Fluss into a fresh workspace

website/community/how-to-release/creating-a-fluss-shaded-release.md

@@ -61,7 +61,7 @@ NEXT_VERSION="2.0-incubating"
 
 #### 2. Verify Java and Maven Version
 
-Run `mvn -v` and `java -version` on your local machine. All of the following steps require to use **Maven 3.8.6** and **Java 11**. Modify your `PATH` environment variable accordingly if needed.
+Run `mvn -v` and `java -version` on your local machine. All of the following steps require to use **Maven 3.9.11** and **Java 11**. Modify your `PATH` environment variable accordingly if needed.
 
 #### 3. Clone fluss-shaded into a fresh workspace
 

website/community/how-to-release/release-manager-preparation.md

@@ -16,7 +16,7 @@ Note: The following setup is a one-time configuration required for release prepa
 This release process is suggested to operate on MacOS or Linux systems, and the following tools are required:
 
 - Java 8
-- Apache Maven 3.8.6
+- Apache Maven 3.9.11
 - GnuPG 2.x
 - Git
 - SVN