Update litrs requirement from 0.2.3 to 0.3.0

[dependabot[bot]]

Updates the requirements on litrs to permit the latest version.

Release notes

Sourced from litrs's releases.

v0.3.0

Breaking

• Bump MSRV (minimal supported Rust version) to 1.54

Added

• Add raw_input and into_raw_input to non-bool *Lit types
• Add impl From<*Lit> for pm::Literal (for non-bool literals)
• Add impl From<BoolLit> for pm::Ident

Fixed

• Fix link to reference and clarify bool literals (#7)

Internals

• Move lots of parsing code into non-generic functions (this hopefully reduces compile times)
• To implement [into_]raw_input for integer and float literals, their internals were changed a bit so that they store the full input string now.

Changelog

Sourced from litrs's changelog.

[0.3.0] - 2022-12-19

Breaking

• Bump MSRV (minimal supported Rust version) to 1.54

Added

• Add raw_input and into_raw_input to non-bool *Lit types
• Add impl From<*Lit> for pm::Literal (for non-bool literals)
• Add impl From<BoolLit> for pm::Ident

Fixed

• Fix link to reference and clarify bool literals (#7)

Internals

• Move lots of parsing code into non-generic functions (this hopefully reduces compile times)
• To implement [into_]raw_input for integer and float literals, their internals were changed a bit so that they store the full input string now.

[0.2.3] - 2021-06-09

Changed

• Minor internal code change to bring MSRV from 1.52 to 1.42

[0.2.2] - 2021-06-09

Changed

• Fixed (byte) string literal parsing by:
  • Correctly handling "string continue" sequences
  • Correctly converting \n\r into \n

[0.2.1] - 2021-06-04

Changed

• Fixed the expected value of the error returned from TryFrom<TokenTree> impls in some cases

[0.2.0] - 2021-05-28

Changed

• Breaking: rename Error to ParseError. That describes its purpose more closely and is particular useful now that other error types exist in the library.

Removed

• Breaking: remove proc-macro feature and instead offer the corresponding impls unconditionally. Since the feature didn't enable/disable a dependency (proc-macro is a compiler provided crate) and since apparently it works fine in no_std environments, I dropped this feature. I don't currently see a reason why the corresponding impls should be conditional.

Added

• TryFrom<TokenTree> for litrs::Literal impls
• From<*Lit> for litrs::Literal impls
• TryFrom<proc_macro[2]::Literal> for *Lit
• TryFrom<TokenTree> for *Lit
• InvalidToken error type for all new TryFrom impls

... (truncated)

Commits

• 3cff8b4 Bump version to 0.3.0
• f38decc Fix tests to compile without proc-macro2 feature
• 70e55b7 Add rust_version to Cargo.toml (it's currently 1.54)
• 9e86329 Rename master to main
• 88c95b9 Add inline(always) to some trivial methods that weren't inlined
• 271ac57 Move lots of parsing code into non-generic functions
• e9aec00 Add impl From\<BoolLit> for pm::Ident
• 95af317 Implement From\<*Lit> for pm::Literal (for non-bool literals)
• 882e780 Add raw_input and into_raw_input to non-bool *Lit types
• 1654e83 Rewrite FloatLit and IntegerLit to store full input buffer
• Additional commits viewable in compare view

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