Bump proc-macro2 from 0.4.30 to 1.0.7

[dependabot-preview[bot]]

Bumps proc-macro2 from 0.4.30 to 1.0.7.

Release notes

Sourced from proc-macro2's releases.

1.0.7

• Return meaningful spans from Group::span_open and Group::span_close when running with span-locations feature enabled outside of a procedural macro

1.0.6

• No code changes.

Just retriggering a docs.rs build because 1.0.5 failed. See alexcrichton/proc-macro2#203 and rust-lang/docs.rs#440.

1.0.5

• Improve performance of impl Extend<TokenTree> for TokenStream (#198)

1.0.4

• Add Literal::subspan method to match libproc_macro (#195)

1.0.3

• Treat dev builds of rustc the same as a nightly, with unstable features available

1.0.2

• Add impl From<TokenTree> for TokenStream to match libproc_macro

1.0.1

• Documentation improvements
• Fail with a better error message when being built on a compiler that is too old

1.0.0

• Minimum supported rustc version is raised from 1.15 to 1.31
• Deprecated TokenStream::empty constructor has been removed in favor of TokenStream::new

Commits

• d5d48ed Release 1.0.7
• 8ce7c67 Merge pull request #209 from dtolnay/groupspan
• bd07d02 Implement meaningful Group::span_open/close in fallback implementation
• 0ce0b32 Remove unimportant inline attributes
• e82e857 Release 1.0.6
• bc5ad24 Remove unneeded lib name from Cargo.toml
• a4e9050 Release 1.0.5
• 29c19f4 Merge pull request #199 from dtolnay/extend
• b07092c Defer calls to proc_macro::TokenStream::extend
• 74f2200 Remove slow_extend codepath
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

Superseded by #141.