Update image requirement from 0.24 to 0.25

Updates the requirements on [image](https://github.com/image-rs/image) to permit the latest version.
- [Changelog](https://github.com/image-rs/image/blob/main/CHANGES.md)
- [Commits](https://github.com/image-rs/image/compare/v0.24.0...v0.25.6)

---
updated-dependencies:
- dependency-name: image
  dependency-version: 0.25.6
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.toml

@@ -42,7 +42,7 @@ base64 = "0.21"
 bincode = "1.3"
 blake3 = "1.3"
 hex = "0.4"
-image = "0.24"
+image = "0.25"
 once_cell = "1.9"
 rand_chacha = "0.3"
 sha2 = "0.10"