Update to onnxruntime 1.6.0

[marshallpierce]

Re-ran cargo build --package onnxruntime-sys --features generate-bindings as per comment in build.rs.

[nbigaouette]

I think the bindings need to be generated on Windows and Linux separately. Are you able to do so? If not I'll see if I can get back to this...

[marshallpierce]

I don't have access to a windows box. If you don't beat me to it, I'll see if I can get it working on Microsoft's free IE testing VMs.

[nbigaouette]

For Linux Docker is fine. For Windows I used this: https://github.com/nbigaouette/windows_vagrant_rust

I can push a commit if you want.

[marshallpierce]

Please do; I'm on mediocre hotel internet so VMs take forever to download.

[nbigaouette]

I raise you my crappy laptop that chokes on VMs 😂

Got the Linux bindings generated. Doing the windows ones now.

I'm not sure how to handle the git repo though. Since you forked my repo, I can't push to your branch. So while I have the commit I can't include it in this PR... or can I?

[marshallpierce]

I granted you write access to my fork; it should let you push now

[nbigaouette]

Thanks! Windows bindings are building...

[codecov-io]

Codecov Report

Merging #59 (3665cb0) into master (388e1b3) will increase coverage by 0.03%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master      #59      +/-   ##
==========================================
+ Coverage   14.55%   14.58%   +0.03%     
==========================================
  Files          18       18              
  Lines         962      960       -2     
==========================================
  Hits          140      140              
+ Misses        822      820       -2     

Impacted Files	Coverage Δ
...runtime-sys/src/generated/macos/x86_64/bindings.rs	0.00% <ø> (ø)
onnxruntime/src/environment.rs	89.83% <ø> (ø)
onnxruntime/src/error.rs	57.14% <0.00%> (ø)
onnxruntime/src/session.rs	0.00% <0.00%> (ø)

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[nbigaouette]

Thanks!!