Update superagent to the latest version 🚀

[greenkeeper[bot]]

The dependency superagent was updated from 4.1.0 to 5.0.0.

This version is not covered by your current version range.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

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Your Greenkeeper bot :palm_tree:

[greenkeeper[bot]]

• The dependency superagent was updated from 4.1.0 to 5.0.2.

Update to this version instead 🚀

Release Notes for v5.0.1

• fix: fixed http2 issue for older versions of node (closes #1474) 5b86fd3
• docs: fixed space f7e2ae5
• docs: added superagent-declare (closes #1333) 32fb630
• docs: fixed docs (closes #1451) 70df462

v5.0.0...v5.0.1

[greenkeeper[bot]]

• The dependency superagent was updated from 4.1.0 to 5.0.2.

Update to this version instead 🚀

Release Notes for v5.0.2

• fix: fixed browser require for webpack (closes #1474) ccc7f56

v5.0.1...v5.0.2

[greenkeeper[bot]]

• The dependency superagent was updated from 4.1.0 to 5.0.3.

Update to this version instead 🚀

Release Notes for v5.0.3

• fix: add browser compiled version to lib folder (#1470) 14acecd
• Revert "Avoiding to set the "Content-Length" header for GET requests (#1460)" (#1477) fe8d902
• Avoiding to set the "Content-Length" header for GET requests (#1460) 804c35c

v5.0.2...v5.0.3

[greenkeeper[bot]]

• The dependency superagent was updated from 4.1.0 to 5.0.4.

Update to this version instead 🚀

[greenkeeper[bot]]

• The dependency superagent was updated from 4.1.0 to 5.0.5.

Update to this version instead 🚀