feat(medusa): Filter products by category params in store/admin (#3155)

What:

Products can be filtered through the API by category parameters

Why:

To filter products by category

How:

- adds 2 params in admin/store route
- updates repository to accept 2 new parameters

RESOLVES CORE-1032
RESOLVES CORE-1033

.changeset/happy-tomatoes-drop.md

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+---
+"@medusajs/medusa": patch
+---
+
+feat(medusa): Filter products by category params in store/admin