Bump the core group with 2 updates

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Bumps the core group with 2 updates: quote and syn.

Updates quote from 1.0.41 to 1.0.42

Release notes

Sourced from quote's releases.

1.0.42

• Tweaks to improve build speed (#305, #306, #307, #308, thanks @​dishmaker)

Commits

• bb9e7a4 Release 1.0.42
• 683c1d6 Merge pull request #311 from dtolnay/append
• ed93e8e Revert PR 305
• 1f2a959 Merge pull request #310 from dtolnay/up
• 37448aa Raise required compiler to Rust 1.68
• 39ac89e Resolve manual_let_else pedantic clippy lint
• f3eac36 Raise required compiler to Rust 1.65
• 7b490c5 Merge pull request #309 from dtolnay/append
• 71dfa84 Apply pattern from PR 306 to append_separated & append_terminated
• df32af7 Touch up PR 306
• Additional commits viewable in compare view

Updates syn from 2.0.108 to 2.0.110

Release notes

Sourced from syn's releases.

2.0.110

• Tweaks to improve build speed (#1939, thanks @​dishmaker)
• Make syn::ext::IdentExt::unraw available without "parsing" feature (#1940)
• Support parsing syn::Meta followed by => (#1944)

2.0.109

• Tweaks to improve build speed (#1927, #1928, #1930, #1932, #1934, thanks @​dishmaker)

Commits

• 1c8cabe Release 2.0.110
• 8ef195b Merge pull request #1944 from dtolnay/metaarrow
• 9ab4aef Support parsing Meta followed by fat arrow
• 7711764 Add test of parsing fat arrow after meta
• 193f52e Update test suite to nightly-2025-11-10
• 5ece7e1 Merge pull request #1941 from dtolnay/ext
• 6a44478 Add extension trait for Punct construction with span
• 798e109 Drop 2 from name of TokenStreamExt2
• b344f2d Never import name of quote::TokenStreamExt
• b0ec4c7 Touch up PR 1939
• Additional commits viewable in compare view

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