. d reformatted code and updated markdown snippets

Author: actions-user

README.md

@@ -32,7 +32,7 @@ It is compatible with JUnit 3, 4 & 5 and TestNG.
 <!-- snippet: approvaltests-tests/src/test/java/org/approvaltests/ci/JavaVersionTest.testSupportedJavaVersions.approved.txt -->
 <a id='snippet-approvaltests-tests/src/test/java/org/approvaltests/ci/JavaVersionTest.testSupportedJavaVersions.approved.txt'></a>
 ```txt
-Supported Java versions: 8, 17, 21, 24
+Works on JDK 1.8+ (tested on 1.8, 17, 21, 24).
 ```
 <sup><a href='/approvaltests-tests/src/test/java/org/approvaltests/ci/JavaVersionTest.testSupportedJavaVersions.approved.txt#L1-L1' title='Snippet source file'>snippet source</a> | <a href='#snippet-approvaltests-tests/src/test/java/org/approvaltests/ci/JavaVersionTest.testSupportedJavaVersions.approved.txt' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->