Bump mio from 0.8.7 to 0.8.8 (#1109)

Bumps [mio](https://github.com/tokio-rs/mio) from 0.8.7 to 0.8.8.
- [Release notes](https://github.com/tokio-rs/mio/releases)
- [Changelog](https://github.com/tokio-rs/mio/blob/master/CHANGELOG.md)
- [Commits](https://github.com/tokio-rs/mio/commits)

---
updated-dependencies:
- dependency-name: mio
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Cargo.lock

@@ -1404,9 +1404,9 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.8.7"
+version = "0.8.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eebffdb73fe72e917997fad08bdbf31ac50b0fa91cec93e69a0662e4264d454c"
+checksum = "927a765cd3fc26206e66b296465fa9d3e5ab003e651c1b3c060e7956d96b19d2"
 dependencies = [
  "libc",
  "wasi",