Rsspls Versions Save

Many thanks to @Lcchy for all the new features in this release:

• Add per feed user-agent option to config file https://github.com/wezm/rsspls/pull/27
• Add a media selector to include as RSS enclosure https://github.com/wezm/rsspls/pull/29
• Add option to proxy requests https://github.com/wezm/rsspls/pull/32
• Recover from item parsing error and continue https://github.com/wezm/rsspls/pull/35

Full Changelog: https://github.com/wezm/rsspls/compare/0.7.1...0.8.1

This version just increases the version number to match the tag in Cargo.toml. Forgot to do that in 0.7.0.

• Update dependencies

This version increases the MSRV to 1.70.0.

• Updated dependencies
• Switch back to published version of time crate

• Allow date format to be specified explicitly #21

• Add separate selector for item link #14
• Ignore cache when version that created it differs #18

• Warn instead of failing if summary selector doesn't match

First release published to crates.io.