Bump proc-macro2 from 0.4.30 to 1.0.24

[dependabot-preview]

Bumps proc-macro2 from 0.4.30 to 1.0.24.

Release notes

Sourced from proc-macro2's releases.

1.0.24

• Implement Error and Display for proc_macro2::LexError, matching the libproc_macro impls which exists in Rust 1.44+ (#240)

1.0.23

• Fix several bugs involving lexing of unicode escapes and carriage returns in string literals (#256, #257, #258, #259, #260)

1.0.22

• Fix several bugs involving lexing of integer and float tokens with unusual suffixes (#252, #253, #254, #255)

1.0.21

• Match libproc_macro's UnwindSafe and RefUnwindSafe impls (#250)

1.0.20

• Match libproc_macro's rendering of whitespace in groups (#246, #247, thanks @Koxiaet)

1.0.19

• Remove procmacro2_semver_exempt feature gate on all methods stabilized in Rust 1.45 (#243)

1.0.18

• Fix discrepancy with libproc_macro in handling of negative numbers in token streams (#235)

1.0.17

• Allow using proc_macro2::fallback::force() from 1.0.12 at the same time as proc-macro2 = { default-features = false } (#233)

1.0.16

• impl Ord for proc_macro2::LineColumn (#230, rust-lang/rust#72446)

1.0.15

• Support parsing arbitrarily deeply nested token streams without using excessive stack space (#231, #232)

1.0.14

• Add Span::mixed_site(), which is behind cfg(procmacro2_semver_exempt) for now but will be stabilized when Rust 1.45 is released (#228, thanks @kevinmehall)
• Update LineColumn::column to match libproc_macro's column computation, which is character-based (#229, thanks @jrvidal)

1.0.13

• Parse literal suffix on byte string, byte, and char literal tokens: br#"..."#suffix, b'?'suffix, '?'suffix

1.0.12

• Add a way to force avoid using the compiler's libproc_macro implementation even when available (#220)

1.0.11

(yanked)

1.0.10

• Enable span-locations feature when building for play.rust-lang.org

1.0.9

• Match the escaping behavior of libproc_macro when displaying non-ascii strings and characters

1.0.8

Commits

• d2c09ab Release 1.0.24
• e8a0c90 Merge pull request #265 from dtolnay/lexerror
• 0093bbb Backport LexError's Display to rust <1.44
• 7221690 Implement Error for LexError
• aa20993 Implement Display for LexError
• 5245816 Fix spacing inconsistency in build.rs doc
• d21c6a6 Merge pull request #264 from dtolnay/jointlast
• 237c566 Link to joint punct regression in libproc_macro
• bde4fca Confirm that fallback TokenStream can preserve jointness of last punct
• ed6fc44 Merge pull request #263 from dtolnay/op
• Additional commits viewable in compare view

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