build(deps): bump proc-macro2 from 1.0.42 to 1.0.43

[dependabot[bot]]

Bumps proc-macro2 from 1.0.42 to 1.0.43.

Release notes

Sourced from proc-macro2's releases.

1.0.43

• Add keywords to crates.io metadata

Commits

• 774a265 Release 1.0.43
• 95f5e5a Update keywords in crates.io metadata
• 971948a Change std imports to core where possible
• 40c2cef Add authors to Cargo.toml
• efac913 Unwrap description to one line in toml
• 793cf1c Sort package entries in Cargo.toml
• e9a734c Ignore assertions_on_result_states clippy lint
• See full diff in compare view

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