Missing max heap version of heappush

[yuting-liu]

Feature or enhancement

The heap push is missing for max heap. The existing heappush will broken the sorting order in max_heap methods.
(A clear and concise description of your proposal.)

Pitch

(Explain why this feature or enhancement should be implemented and how it would be used.
Add examples, if applicable.)

Previous discussion

Linked PRs

• gh-102430 Add max heap version of heappush #102410

[rhettinger]

There is separate work in progress for this issue. All the max heap functions are being made public and the missing ones will be added.