feat(awards): add file storage for award logos

[zhammer]

award logos are now stored as images in s3 or the local filesystem rather than data blobs. doesn't require a db or api schema migration. whereas before img src={} is the data blob, now it's the url to the uploaded image.

uploading a logo works like this:

1. i visit /awards/new
2. i use the image uploader to input an image
3. the image gets uploaded to the awards API, which stores it in an s3 bucket after passing validation and returns a url for image
4. i click submit changes
5. the new award, with { image: <new_image_url> }, is sent to the backend

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:tada: This PR is included in version 1.0.2 :tada:

The release is available on @seatgeek/backstage-plugin-awards-common@1.0.2

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:tada: This PR is included in version 2.0.0 :tada:

The release is available on @seatgeek/backstage-plugin-awards@2.0.0

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:tada: This PR is included in version 2.0.0 :tada:

The release is available on @seatgeek/backstage-plugin-awards-backend@2.0.0

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:tada: This PR is included in version 1.0.0 :tada:

The release is available on @seatgeek/backstage-plugin-gitlab-catalog-backend@1.0.0

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:tada: This PR is included in version 1.0.2 :tada:

The release is available on @seatgeek/backstage-plugin-slack-catalog-backend@1.0.2

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