Change TableContext in Binder to PlannerContext

[everpcpc]

    How about name it as BinderContext ?

Originally posted by @flaneur2020 in #9249 (comment)

[everpcpc]

There's already a BinderContext struct, we need to change it to another name, maybe PlannerContext.

[everpcpc]

Trait TableContext is a little bit coarse-grained, it could be split it into more dedicated taits later if necessary.
ref: #6665