Create rules for Spring-provided Servlet mocks requirements

[jmle]

According to the migration guide:

The Spring-provided Servlet mocks (MockHttpServletRequest, MockHttpSession) require Servlet 6.0 now, due to a breaking change between the Servlet 5.0 and 6.0 API jars. They can be used for testing Servlet 5.0 based code but need to run against the Servlet 6.0 API (or newer) on the test classpath. Note that your production code may still compile against Servlet 5.0 and get integration-tested with Servlet 5.0 based containers; just mock-based tests need to run against the Servlet 6.0 API jar.

Investigate and create rules if necessary.

In the rule description and message, try to be as verbose and clear as possible. Code examples are always welcome and useful. Feel free to use markdown syntax for these.

[konveyor-ci-bot]

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