JIT optimize dict access with consts with known hash

[kumaraditya303]

Currently the JIT does not optimizes dict accesses with ints, strs and other objects whose hash can be pre-computed. The JIT can take advantage of pre-computed hashes to speed up dict lookups.

See the PR for more details.

Linked PRs

• gh-146558: optimize dict access with objects with known hash #146559