Release 2.1.0

[DCjanus]

Why

Prepare the next rss crate release after the quick-xml 0.41 update and clippy warning gate changes.

What

• Bump the crate version to 2.1.0.
• Add the 2.1.0 changelog entry, including the effective MSRV impact from quick-xml 0.41.

Release readiness

• cargo semver-checks check-release --baseline-version 2.0.13 reports no required semver update.
• cargo publish --dry-run packages and verifies rss 2.1.0 successfully.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.98%. Comparing base (8598600) to head (1edc177).
⚠️ Report is 5 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #192   +/-   ##
=======================================
  Coverage   80.98%   80.98%           
=======================================
  Files          23       23           
  Lines        1530     1530           
=======================================
  Hits         1239     1239           
  Misses        291      291           

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[Copilot]

Pull request overview

Prepares the rss crate for the 2.1.0 release by updating the package version and documenting the release notes, including the effective MSRV impact from the quick-xml 0.41 update.

Changes:

• Bump crate version from 2.0.13 to 2.1.0.
• Add a 2.1.0 changelog entry with notes about quick-xml and clippy warning gating.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
CHANGELOG.md	Adds the 2.1.0 release notes (date + notable changes/MSRV note).
Cargo.toml	Updates the crate version to 2.1.0 for publishing.

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