Update eframe requirement from 0.26 to 0.27 (#51)

Updates the requirements on [eframe](https://github.com/emilk/egui) to permit the latest version.
- [Release notes](https://github.com/emilk/egui/releases)
- [Changelog](https://github.com/emilk/egui/blob/master/CHANGELOG.md)
- [Commits](https://github.com/emilk/egui/compare/0.26.0...0.27.0)

---
updated-dependencies:
- dependency-name: eframe
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -13,7 +13,7 @@ sevenz-rust = "0.5"
 chrono = "0.4"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-eframe = "0.26"
+eframe = "0.27"
 rfd = "0.14"
 sha2 = "0.10"
 rusttype = "0.9"