Merge #97

97: bump mbed_tls version to 0.7 r=mattBrzezinski a=SebRollen

Hi,

The discussion in a recent discourse thread (and [this post](https://discourse.julialang.org/t/please-be-mindful-of-version-bounds-and-semantic-versioning-when-tagging-your-packages/30708/95) in particular) prompted me to try to track down some packages that led to downgrades in other packages when I run `]up`.

Based on [this list](https://gist.github.com/KristofferC/7c8048e2ee9aaa465966caeb98c1446a), it looks like `AWSCore` is restricting `MbedTLS.jl` to a lower version than the latest, so this pr just bumps the allowed range to include [0.7, 0.8). I ran the test-suite locally and everything seemed to work fine, but also understand that there may be a lot more nuances to the upgrade than just the test-suite

Co-authored-by: Sebastian Rollen <[email protected]>

Project.toml

@@ -23,7 +23,7 @@ HTTP = "0.8"
 IniFile = "0.5"
 JSON = "0.18, 0.19, 0.20, 0.21"
 LazyJSON = "0.1"
-MbedTLS = "0.6"
+MbedTLS = "0.6, 0.7"
 Mocking = "0.7"
 Retry = "0.3, 0.4"
 SymDict = "0.3"