Bump piet-common from 0.7.0 to 0.8.0

Bumps [piet-common](https://github.com/linebender/piet) from 0.7.0 to 0.8.0.
- [Release notes](https://github.com/linebender/piet/releases)
- [Commits](linebender/piet@v0.7.0...v0.8.0)

---
updated-dependencies:
- dependency-name: piet-common
  dependency-version: 0.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -6,7 +6,7 @@ edition = "2021"
 
 [dependencies]
 addr2line = "0.25.0"
-piet-common = { version = "0.7.0", features = [ "png" ] }
+piet-common = { version = "0.8.0", features = [ "png" ] }
 blake3 = { version = "1.5.5" }
 
 [[bin]]