Bump http from 0.1.14 to 0.1.21

[dependabot[bot]]

Bumps http from 0.1.14 to 0.1.21.

Changelog

Sourced from http's changelog.

0.1.21 (December 2, 2019)

• Fix Method::is_idempotent returning false for PUT and `DELETE.

0.1.20 (November 26, 2019)

• Fix possible double-free if header::Drain iterator is std::mem::forgoten (#357).
• Fix possible data race if multiple header::ValueDrains are iterated on different threads (#362).
• Fix HeaderMap::reserve capacity overflows (#360).
• Fix parsing long authority-form Uris (#351).

0.1.19 (October 15, 2019)

• Allow % in IPv6 addresses in Uri (#343).

0.1.18 (July 26, 2019)

• Fix compilation of HeaderName parsing on WASM targets (#324).
• Implement HttpTryFrom<HashMap> for HeaderMap (#326).
• Export http::header::HeaderValue as http::HeaderValue.

0.1.17 (April 5, 2019)

• Add Error::inner_ref() to view the kind of error (#303)
• Add headers_ref() and headers_mut() methods to request::Builder and response::Builder (#293)

0.1.16 (February 19, 2019)

• Fix Uri to permit more characters in the path (#296)

0.1.15 (January 22, 2019)

• Fix Uri::host() to include brackets of IPv6 literals (#292)
• Add scheme_str and port_u16 methods to Uri (#287)
• Add method_ref, uri_ref, and headers_ref to request::Builder (#284)

Commits

• 6443bdb v0.1.21
• 0cbcc1e Fix Method::is_idempotent
• 4a5b64d v0.1.20
• 6b07ee4 Refactor Method::is_idempotent for readability (#348)
• 6856193 Fix docs indentation (#347)
• d3cae7c Fix parsing of long host with no scheme (#351)
• 8ffe094 Make ValueDrain eagerly collect its extra values
• 81ceb61 fix capacity overflows in HeaderMap::reserve
• 32f1ae1 Remove unused 'inner label
• 82d53db Fix HeaderMap::drain double-free if drain iterator is forgotten
• Additional commits viewable in compare view

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[dependabot[bot]]

Looks like http is up-to-date now, so this is no longer needed.