Update gofrolist/molecule-action action to v2.3.21

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
gofrolist/molecule-action	action	patch	v2.3.20 -> v2.3.21

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Release Notes

gofrolist/molecule-action

### [`v2.3.21`](https://togithub.com/gofrolist/molecule-action/releases/tag/v2.3.21) [Compare Source](https://togithub.com/gofrolist/molecule-action/compare/v2.3.20...v2.3.21) ##### Bug Fixes - **deps:** bump docker/build-push-action from 4.1.0 to 4.1.1 ([fb283fc](https://togithub.com/gofrolist/molecule-action/commit/fb283fcfc5d71f5376d1f962cf2ddbbd83982124)) - **deps:** bump docker/metadata-action from 4.5.0 to 4.6.0 ([#​226](https://togithub.com/gofrolist/molecule-action/issues/226)) ([860b317](https://togithub.com/gofrolist/molecule-action/commit/860b31752b8524b5ee4f0f4b15b424afae1edf8c)) - **deps:** bump docker/setup-buildx-action from 2.6.0 to 2.7.0 ([#​227](https://togithub.com/gofrolist/molecule-action/issues/227)) ([ba87362](https://togithub.com/gofrolist/molecule-action/commit/ba87362704be72341d3a0996fb05447fd2cd7bc4))

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