Add `ArrayNode#set(int index, primitive_type value)`

[TarekkMA]

Is your feature request related to a problem? Please describe.
Currently, we could add/insert values to ArrayNode instance. but the set method only accepts JsonNode instance.

Describe the solution you'd like
It would be nice if we have set methods like add/insert

Usage example

ArrayNode arr = getNewArrayNode();
arr.add("a");
arr.insert(0, "b");
arr.set(0, "c");        // <------- Missing

Additional context
N/A

[TarekkMA]

If this is accepted, I will be happy to make a PR for it.

[cowtowncoder]

Sounds reasonable. I think it should probably follow example of ObjectNode.put() so that:

1. A wide variety of types are supported (and esp. important is primitive-and-wrapper variants)
2. Returns ObjectNode (this) to allow call chaining.
3. On (1), no need to add setObject(), I think (since there is already set(index, JsonNode)) -- but need to add setPOJO(index, pojo) -- this since there is bit of confusion otherwise on what "Object" means; here it MUST mean ObjectNode, and not general Java Object (hence "POJO").

It might also make sense to post on jackson-dev google group to ask for input: this makes sense to me but others might be able to offer comments.

Also: needs to go in 2.13 branch, being feature add.

[TarekkMA]

Thank you for the feedback I will post this issue on the google group for more comments about it.

[cowtowncoder]

Thank you again @TarekkMA for contributing this! It will be included in 2.13.0 once that is ready (hoping to get release candidate out during June 2021).