Issue.java:61-66: Implement lock reason validation....

[0pdd]

The puzzle 1462-97ade784 from #1462 has to be resolved:

jcabi-github/src/main/java/com/jcabi/github/Issue.java

Lines 61 to 66 in 36b7b8e

	* @todo #1462:30min Implement lock reason validation. According to
	* documentation lock reason must belong to a specific value domain. This
	* validation must be performed in lock method and tests must be added to
	* ensure that the class is accepting the correct values and rejecting the
	* wrong ones.
	* @checkstyle MultipleStringLiterals (500 lines)

The puzzle was created by @yegor256 on 05-Jul-22.

Estimate: 30 minutes, role: DEV.

If you have any technical questions, don't ask me, submit new tickets instead. The task will be "done" when the problem is fixed and the text of the puzzle is removed from the source code. Here is more about PDD and about me.

[0pdd]

@amihaiemil please pay attention to this new issue.