build(deps): bump serde from 1.0.217 to 1.0.219

[dependabot[bot]]

Bumps serde from 1.0.217 to 1.0.219.

Release notes

Sourced from serde's releases.

v1.0.219

• Prevent absolute_paths Clippy restriction being triggered inside macro-generated code (#2906, thanks @​davidzeng0)

v1.0.218

• Documentation improvements

Commits

• 49d098d Release 1.0.219
• 40f1d19 Wrap dummy.rs to 80 columns
• 514848b Merge pull request #2906 from davidzeng0/master
• 168b6cf fix clippy absolute paths warning
• a8bdd17 Remove unused Punctuated import
• 1c96013 Resolve mem_replace_with_default clippy lint
• f0d1ae0 Ignore elidable_lifetime_names pedantic clippy lint
• e3eaa6a Merge pull request #2896 from dtolnay/stabledoc
• 6a630cf Also link to stable proc_macro
• 7bfd518 Release 1.0.218
• Additional commits viewable in compare view

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