upgrade reqwest crate and deps

[tdyas]

Upgrade reqwest crate and dependencies. Ran: cargo update --aggressive -p reqwest

Also fixes a bad import from serde's internal re-exports to just use std::fmt directly.

[tdyas]

    Updating crates.io index
    Updating bumpalo v3.4.0 -> v3.7.0
    Updating cc v1.0.66 -> v1.0.69
    Updating encoding_rs v0.8.26 -> v0.8.28
    Updating form_urlencoded v1.0.0 -> v1.0.1
    Updating hashbrown v0.9.1 -> v0.11.2
    Updating hermit-abi v0.1.17 -> v0.1.19
    Updating hyper v0.14.7 -> v0.14.11
    Updating idna v0.2.0 -> v0.2.3
    Updating indexmap v1.6.1 -> v1.7.0
    Updating ipnet v2.3.0 -> v2.3.1
    Updating itoa v0.4.6 -> v0.4.7
    Updating js-sys v0.3.46 -> v0.3.51
    Updating libc v0.2.95 -> v0.2.98
    Updating mio v0.7.7 -> v0.7.13
    Updating miow v0.3.6 -> v0.3.7
    Updating once_cell v1.5.2 -> v1.8.0
    Updating pin-project v1.0.2 -> v1.0.8
    Updating pin-project-internal v1.0.2 -> v1.0.8
    Updating reqwest v0.11.1 -> v0.11.4
    Updating ring v0.16.19 -> v0.16.20
    Updating rustls v0.19.0 -> v0.19.1
    Updating sct v0.6.0 -> v0.6.1
    Updating serde v1.0.118 -> v1.0.126
    Updating serde_derive v1.0.118 -> v1.0.126
    Updating serde_json v1.0.60 -> v1.0.66
    Updating signal-hook-registry v1.3.0 -> v1.4.0
    Removing socket2 v0.3.19
    Removing socket2 v0.4.0
      Adding socket2 v0.4.1
    Updating tinyvec v1.1.0 -> v1.3.1
    Updating tracing v0.1.22 -> v0.1.26
    Updating tracing-attributes v0.1.11 -> v0.1.15
    Updating tracing-core v0.1.17 -> v0.1.18
    Updating unicode-bidi v0.3.4 -> v0.3.5
    Updating unicode-normalization v0.1.16 -> v0.1.19
    Updating url v2.2.0 -> v2.2.2
    Updating wasm-bindgen v0.2.69 -> v0.2.74
    Updating wasm-bindgen-backend v0.2.69 -> v0.2.74
    Updating wasm-bindgen-futures v0.4.19 -> v0.4.24
    Updating wasm-bindgen-macro v0.2.69 -> v0.2.74
    Updating wasm-bindgen-macro-support v0.2.69 -> v0.2.74
    Updating wasm-bindgen-shared v0.2.69 -> v0.2.74
    Updating web-sys v0.3.46 -> v0.3.51
    Updating webpki-roots v0.21.0 -> v0.21.1