Issue #14631: Updated Version literal to new AST format

[prathm3]

Issue: #14631

/**
 * This class represents a Test object.
 *
 * @version 1.3
 */
public class Test {
}


$ java -jar checkstyle-10.15.0-all.jar -J Test.java | sed "s/\[[0-9]\+:[0-9]\+\]//g"
COMPILATION_UNIT -> COMPILATION_UNIT
`--CLASS_DEF -> CLASS_DEF
    |--MODIFIERS -> MODIFIERS
    |   |--BLOCK_COMMENT_BEGIN -> /*
    |   |   |--COMMENT_CONTENT -> *\r\n * This class represents a Test object.\r\n *\r\n * @version 1.3\r\n
    |   |   |   `--JAVADOC -> JAVADOC
    |   |   |       |--NEWLINE -> \r\n
    |   |   |       |--LEADING_ASTERISK ->  *
    |   |   |       |--TEXT ->  This class represents a Test object.
    |   |   |       |--NEWLINE -> \r\n
    |   |   |       |--LEADING_ASTERISK ->  *
    |   |   |       |--NEWLINE -> \r\n
    |   |   |       |--LEADING_ASTERISK ->  *
    |   |   |       |--WS ->
    |   |   |       |--JAVADOC_TAG -> JAVADOC_TAG
    |   |   |       |   |--VERSION_LITERAL -> @version
    |   |   |       |   |--WS ->
    |   |   |       |   `--DESCRIPTION -> DESCRIPTION
    |   |   |       |       |--TEXT -> 1.3
    |   |   |       |       |--NEWLINE -> \r\n
    |   |   |       |       `--TEXT ->
    |   |   |       `--EOF -> <EOF>
    |   |   `--BLOCK_COMMENT_END -> */
    |   `--LITERAL_PUBLIC -> public
    |--LITERAL_CLASS -> class
    |--IDENT -> Test
    `--OBJBLOCK -> OBJBLOCK
        |--LCURLY -> {
        `--RCURLY -> }

[MANISH-K-07]

Items:

[MANISH-K-07]

@prathm3 , please trim AST upto line 271. This is the only part that we have to document.

We don't need the below lines 272, 273 and also please remove blank line at 274.

[prathm3]

Done.

[romani]

Single commit please

[prathm3]

Single commit please

Done. Please review.

[romani]

Ok to merge.
Thanks a lot!