Update around Aqua.jl (#273)

* update the version of Aqua

* add Aqua badge

Author: hyrodium

README.md

@@ -6,6 +6,7 @@
 [![Dev](https://img.shields.io/badge/docs-dev-blue.svg)](https://JuliaGeometry.github.io/Rotations.jl/dev)
 [![Build Status](https://github.com/JuliaGeometry/Rotations.jl/workflows/CI/badge.svg)](https://github.com/JuliaGeometry/Rotations.jl/actions?query=workflow%3ACI)
 [![Coverage](https://codecov.io/gh/JuliaGeometry/Rotations.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/JuliaGeometry/Rotations.jl)
+[![Aqua QA](https://raw.githubusercontent.com/JuliaTesting/Aqua.jl/master/badge.svg)](https://github.com/JuliaTesting/Aqua.jl)
 [![DOI](https://zenodo.org/badge/53457088.svg)](https://zenodo.org/badge/latestdoi/53457088)
 
 This package implements various 3D rotation parameterizations and defines

test/Project.toml

@@ -11,4 +11,4 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 Unitful = "1986cc42-f94f-5a68-af5c-568840ba703d"
 
 [compat]
-Aqua = "0.6"
+Aqua = "0.7"