Previously, mockery will resolve message.ImmutableXXXMessage to private
message.specializedImmutableMessage[H, B], which will not be able to
compile.
This PR set generate-mockery-interal `resolve_type_alias` to False,
which is recommented for v3 compatible, to avoid this problem.
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>