Update README.md. Add info about java 25

Author: MaximPlusov

README.md

@@ -27,7 +27,7 @@ Quick Start
 
 In order to build the library you'll need:
 
- * Java 8, 11, 17 or 21, which can be downloaded [from Oracle](https://www.oracle.com/technetwork/java/javase/downloads/index.html), or for Linux users [OpenJDK](https://openjdk.java.net/install/index.html).
+ * Java 8, 11, 17, 21 or 25, which can be downloaded [from Oracle](https://www.oracle.com/technetwork/java/javase/downloads/index.html), or for Linux users [OpenJDK](https://openjdk.java.net/install/index.html).
  * [Maven v3+](https://maven.apache.org/)
 
 Life will be easier if you also use [Git](https://git-scm.com/) to obtain and manage the source.
@@ -68,4 +68,4 @@ To run regression tests after project's Maven build:
     java -jar veraPDF-wcag-regression-tests-${project.version}.jar
 
 Where `${project.version}` is the last development or release version. 
-Regression test results will be produced to `stdout`.
+Regression test results will be produced to `stdout`.