fix(deps): update dependency @openedx/frontend-plugin-framework to v1.2.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@openedx/frontend-plugin-framework	1.1.2 -> 1.2.1

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Release Notes

openedx/frontend-plugin-framework (@​openedx/frontend-plugin-framework)

### [`v1.2.1`](https://togithub.com/openedx/frontend-plugin-framework/releases/tag/v1.2.1) [Compare Source](https://togithub.com/openedx/frontend-plugin-framework/compare/v1.2.0...v1.2.1) ##### Bug Fixes - example app plugin rendering and remove LMS authentication ([#​66](https://togithub.com/openedx/frontend-plugin-framework/issues/66)) ([c1aa33f](https://togithub.com/openedx/frontend-plugin-framework/commit/c1aa33fc4799e128e00ab0d89f92db8dcb069fd8)) ### [`v1.2.0`](https://togithub.com/openedx/frontend-plugin-framework/releases/tag/v1.2.0) [Compare Source](https://togithub.com/openedx/frontend-plugin-framework/compare/v1.1.2...v1.2.0) ##### Features - updated frontend-build & frontend-platform major versions ([#​59](https://togithub.com/openedx/frontend-plugin-framework/issues/59)) ([b0649d4](https://togithub.com/openedx/frontend-plugin-framework/commit/b0649d45fe489718860b5467558e7292fd4074cf))

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