Bump attohttpc from 0.28.5 to 0.29.1

Bumps [attohttpc](https://github.com/sbstp/attohttpc) from 0.28.5 to 0.29.1.
- [Release notes](https://github.com/sbstp/attohttpc/releases)
- [Commits](sbstp/attohttpc@v0.28.5...v0.29.1)

---
updated-dependencies:
- dependency-name: attohttpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -23,7 +23,7 @@ include = [
 ]
 
 [dependencies]
-attohttpc = { version = "^0.28", default-features = false, features = [
+attohttpc = { version = "^0.29", default-features = false, features = [
   "compress",
 ] }
 base64 = "^0.22"