[IndexFiltersManager] Deprecate IndexFiltersManager (#10788)

Deprecates IndexFiltersManager as it will be removed from v12.

- [x] Tested on
[mobile](https://github.com/Shopify/polaris/blob/main/documentation/Tophatting.md#cross-browser-testing)
- [x] Tested on [multiple
browsers](https://help.shopify.com/en/manual/shopify-admin/supported-browsers)
- [x] Tested for
[accessibility](https://github.com/Shopify/polaris/blob/main/documentation/Accessibility%20testing.md)
- [x] Updated the component's `README.md` with documentation changes
- [x] [Tophatted
documentation](https://github.com/Shopify/polaris/blob/main/documentation/Tophatting%20documentation.md)
changes in the style guide

---------

Co-authored-by: Chloe Rice <chloe.rice@shopify.com>

.changeset/large-hats-vanish.md

@@ -0,0 +1,5 @@
+---
+'@shopify/polaris': minor
+---
+
+Deprecated the IndexFiltersManager component