JEP 401 Support value keyword

[NolwennD]

Vahalla is coming! But not too quick, it will be in preview in 28 (march 2027). So it’s time to support the new keyword value.

Small example

public value record Vahalla(String value) {}

Actually with version 2.10.3 error is

npx prettier --plugin=prettier-plugin-java --write "**/*.java"
src/main/java/wallet/Vahalla.java
[error] src/main/java/wallet/Vahalla.java: Error: Failed to parse: (program (package_declaration (identifier)) (method_declaration (modifiers (visibility)) type: (type_identifier) (ERROR (identifier)) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block)))