Update Amp icon (#832)

Amp icons were updated. Blue is now called "color"

Author: joesepi

README.md

@@ -27,7 +27,7 @@ The following projects are official OpenJS Foundation projects. If you are inter
 
 | | Project        | Charter           | Contributing       | Code of Conduct       |
 |-|----------------|:-----------------:|:------------------:|:---------------------:|
-| <img alt="logo of AMP project" src="https://github.com/openjs-foundation/artwork/raw/HEAD/projects/amp/amp-icon-blue.svg" width="30" /> | [AMP](https://amp.dev/)                |       | [Contributing Guide](https://github.com/ampproject/amphtml/blob/HEAD/docs/contributing.md) | [Code of Conduct](https://github.com/ampproject/meta/blob/HEAD/CODE_OF_CONDUCT.md) |
+| <img alt="logo of AMP project" src="https://github.com/openjs-foundation/artwork/raw/HEAD/projects/amp/amp-icon-color.svg" width="30" /> | [AMP](https://amp.dev/)                |       | [Contributing Guide](https://github.com/ampproject/amphtml/blob/HEAD/docs/contributing.md) | [Code of Conduct](https://github.com/ampproject/meta/blob/HEAD/CODE_OF_CONDUCT.md) |
 | <img alt="logo of project architect" src="https://github.com/openjs-foundation/artwork/raw/HEAD/projects/architect/architect-icon-grayscale.svg" width="30" /> | [architect](https://arc.codes/)         |   |  [Contributing Guide](https://github.com/architect/architect/blob/HEAD/.github/contributing.md)   | [Code of Conduct](https://github.com/architect/architect/blob/HEAD/.github/code_of_conduct.md) |
 | <img alt="logo of project ESLint" src="https://github.com/openjs-foundation/artwork/raw/HEAD/projects/eslint/eslint-icon-color.svg" width="30" /> | [ESLint](https://eslint.org/)              |    | [Contributing Guide](https://github.com/eslint/eslint/blob/HEAD/CONTRIBUTING.md) | [Code of Conduct](https://eslint.org/conduct) |
 | <img alt="logo of project Esprima" src="https://github.com/openjs-foundation/artwork/raw/HEAD/projects/esprima/esprima-icon-color.svg" width="30" /> | [Esprima](https://esprima.org/)            |    | [Contributing Guide](https://github.com/jquery/esprima/blob/HEAD/CONTRIBUTING.md) |  |