Update prost requirement from 0.9 to 0.11

[dependabot[bot]]

Updates the requirements on prost to permit the latest version.

Release notes

Sourced from prost's releases.

v0.11.0

PROST! is a Protocol Buffers implementation for the Rust Language. prost generates simple, idiomatic Rust code from proto2 and proto3 files.

Relase 0.11 brings a few breaking changes and changes to how prost sources protoc.

• prost-build now requires protoc to be available in the path or set via the PROTOC env var.
• prost-types now contains new Timestamp/Duration FromStr implementations.
• MSRV bump to 1.56 and all crates have been moved to edition 2021

Notible changes that are not breaking:

• prost-build now has a cleanup-markdown feature for cleaining up code blocks from protobuf files so that they work under rustdoc tests.
• prost-build now generates as_str_name for message types.

Commits

• 4459a1e chore: Prepare 0.11 release (#692)
• c6495d3 Expose bytes crate publicly (#690)
• b314e84 Clean up edition move & clippy warnings (#691)
• e744211 Update readme for build changes (#689)
• 11b5406 Move edition to 2021 (#688)
• 6c2c75a Permit overflow with wrapping. (#686)
• 25ab1cc Update actions/checkout action to v3 (#681)
• bb9d288 Replace .to_str_name() with .as_str_name() (#680)
• ac57645 Remove build.rs (#657)
• 38ba547 chore: Fix clippy warnings (#671)
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

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[dependabot[bot]]

A newer version of prost exists, but since this PR has been edited by someone other than Dependabot I haven't updated it. You'll get a PR for the updated version as normal once this PR is merged.

[tobz]

@dependabot rebase

[dependabot[bot]]

Looks like this PR has been edited by someone other than Dependabot. That means Dependabot can't rebase it - sorry!

If you're happy for Dependabot to recreate it from scratch, overwriting any edits, you can request @dependabot recreate.

[tobz]

Addressed manually.

[dependabot[bot]]

OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting @dependabot ignore this major version or @dependabot ignore this minor version. You can also ignore all major, minor, or patch releases for a dependency by adding an ignore condition with the desired update_types to your config file.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.