chore: add changeset for mega menu multiple dropdowns

Patch bump, matching how this project versions additive changes: minor is
reserved for breaking changes in the changelog history.

Refs #1610

Author: jorj-pineda

.changeset/olive-donkeys-shave.md

@@ -0,0 +1,12 @@
+---
+"flowbite-react": patch
+---
+
+Support multiple dropdowns inside a single `<MegaMenu>`
+
+### Changes
+
+- [x] pair each `<MegaMenuDropdownToggle>` with its own `<MegaMenuDropdown>` by declaration order, instead of always resolving the first dropdown of the navbar
+- [x] close the other dropdowns of a mega menu when one is opened
+- [x] export `MegaMenuContext`, `useMegaMenuContext` and `MegaMenuContextValue`
+- [x] stop calling hooks conditionally in `<MegaMenuDropdown>`