Upgrade request to 2.88.0 (latest) to address issue #661

[GuyKh]

Fixes #661

Checklist

• I have made a material change to the repo (functionality, testing, spelling, grammar)
• I have read the [Contribution Guide] and my PR follows them.
• I updated my branch with the master branch.
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation about the functionality in the appropriate .md file
• I have added in line documentation to the code I modified

Short description of what this PR does:

• Upgrading request dependency to latest to fix inner dependency request@2.83.0 > hawk@6.0.2 > hoek@4.2.0 vounrability

[SendGridDX]

All committers have signed the CLA.

[thinkingserious]

Hello @GuyKh,

Thanks again for the PR!

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[GuyKh]

@thinkingserious - signed up.
Thanks! :)
I'd love to get some swag :) That's awesome!

[thinkingserious]

Awesome! Just be sure to accumulate enough points :)

5 "difficulty: easy" or 2 "difficulty: medium" or 1 "difficulty: hard" or "difficulty: very hard".

Good luck!

[thinkingserious]

Hello @GuyKh,

Thanks again for the PR!

We noticed that you have earned 1 out of the 5 points needed to receive glorious SendGrid Hacktoberfest swag.

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Team SendGrid DX

[thinkingserious]

Hello @GuyKh,

Thanks again for the PR!

You have earned 1 out of the 5 points needed to receive glorious SendGrid Hacktoberfest swag.

Please take a moment to checkout this link to find more issues to get you past the required threshold or to simply continue the celebration.

Also, please be sure you have officially registered with us here by November 1, 2018 to qualify.

If you have any questions you can email us at dx+hacktoberfest2018@sendgrid.com.

Thank you and Happy Hacktobering!

Team SendGrid