Bump syn from 0.15.36 to 1.0.7

[dependabot-preview[bot]]

Bumps syn from 0.15.36 to 1.0.7.

Release notes

*Sourced from [syn's releases](https://github.com/dtolnay/syn/releases).* > ## 1.0.7 > - Add a receiver getter to syn::Signature ([#714](https://github-redirect.dependabot.com/dtolnay/syn/issues/714), thanks [@​mystor](https://github.com/mystor)) > > ```rust > impl Signature { > /// A method's `self` receiver, such as `&self` or `self: Box`. > pub fn receiver(&self) -> Option<&FnArg>; > } > ``` > > ## 1.0.6 > - Add conversions from Item{Struct,Enum,Union} into DeriveInput ([#711](https://github-redirect.dependabot.com/dtolnay/syn/issues/711), thanks [@​mystor](https://github.com/mystor)) > - Add Fields::len and Fields::is_empty ([#712](https://github-redirect.dependabot.com/dtolnay/syn/issues/712), thanks [@​mjbshaw](https://github.com/mjbshaw)) > > ## 1.0.5 > - Expose syn::Variadic with just "derive" feature, not "full", because it appears in Type::BareFn > > ## 1.0.4 > - Fix size_hint of Punctuated iterators ([#700](https://github-redirect.dependabot.com/dtolnay/syn/issues/700), thanks [@​ExpHP](https://github.com/ExpHP)) > > ## 1.0.3 > - Add [`Path::get_ident`](https://docs.rs/syn/1.0/syn/struct.Path.html#method.get_ident) ([#696](https://github-redirect.dependabot.com/dtolnay/syn/issues/696), thanks [@​infinity0](https://github.com/infinity0)) > > ## 1.0.2 > - Documentation improvements > > ## 1.0.1 > - Add [`LitInt::base10_parse`](https://docs.rs/syn/1.0/syn/struct.LitInt.html#method.base10_parse) to produce error that has the right span when parsing literal digits > > ## 1.0.0 > Syn is a library for parsing Rust code, largely geared toward use in procedural macros but generally applicable as a Rust parser outside of that too. > > Syn was originally a sidequest on the effort to making [Serde]'s derive macros work on stable Rust in 2016, but has since taken off as a foundational library in its own right. These days it appears in support of diverse use cases like: > > - [convenient interop between Rust-based Wasm modules and JavaScript][wasm-bindgen], > - [easy command line interfaces][structopt], > - [a polished async experience][runtime], and > - [a concurrency framework for embedded real time systems][rtfm]. > > [Serde]: https://serde.rs/ > [wasm-bindgen]: https://github.com/rustwasm/wasm-bindgen > [structopt]: https://docs.rs/structopt/0.2.18/structopt/ > [runtime]: https://github.com/rustasync/runtime > [rtfm]: https://japaric.github.io/rtfm5/book/en/by-example/tasks.html > > Excitingly, the fraction of open source Rust projects that rely on Syn is still climbing aggressively (see red line). This reflects how important procedural macros are to the experience we want people to have when working with Rust — empowering everyone to build reliable and efficient software. > >
> >  > ... (truncated)

Commits

- [`b06fef4`](https://github.com/dtolnay/syn/commit/b06fef4bd130b74cf47b44a68e76522a45bec18d) Release 1.0.7 - [`c602c15`](https://github.com/dtolnay/syn/commit/c602c1579b730a23c2c505a95c95e685edd42039) Merge pull request [#714](https://github-redirect.dependabot.com/dtolnay/syn/issues/714) from mystor/receiver - [`a577142`](https://github.com/dtolnay/syn/commit/a577142ef6dc41a55998872d4f7a61eb8096ab54) Add a receiver getter to Signature, and clarify parsing behaviour - [`4a9b246`](https://github.com/dtolnay/syn/commit/4a9b246dab15a3d51ebdaf9171165cd6e541c04e) Release 1.0.6 - [`8b850e3`](https://github.com/dtolnay/syn/commit/8b850e3d5061232a743d340217545e269496b242) Revert "Temporarily disable Codegen builder while crossbeam-channel build is ... - [`f963b7d`](https://github.com/dtolnay/syn/commit/f963b7d5c9a9ea4e918b56d438c031682f272043) Work around target_has_atomic = "cas" failure - [`884de2a`](https://github.com/dtolnay/syn/commit/884de2a1313c302992a145c93d022823717cb8e2) Remove From impls that construct Verbatim variants - [`339336c`](https://github.com/dtolnay/syn/commit/339336cbb73c5a3413c1ebd213a8794fca7e1fb8) Merge pull request [#712](https://github-redirect.dependabot.com/dtolnay/syn/issues/712) from mjbshaw/patch-1 - [`8b1022b`](https://github.com/dtolnay/syn/commit/8b1022b587f9d7b42965b837762a2dfb1714a772) Merge pull request [#711](https://github-redirect.dependabot.com/dtolnay/syn/issues/711) from mystor/item_into_derive - [`782df09`](https://github.com/dtolnay/syn/commit/782df09db9cd7a7f1989389993bde4a7a8397e89) Add `len` and `is_empty` methods to `Fields` - Additional commits viewable in [compare view](https://github.com/dtolnay/syn/compare/0.15.36...1.0.7)

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Superseded by #130.