Update Rust crate tower to 0.5

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tower	dependencies	minor	0.4 -> 0.5

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Release Notes

tower-rs/tower (tower)

v0.5.2: tower 0.5.2

Compare Source

Added

• util: Add BoxCloneSyncService which is a Clone + Send + Sync boxed Service (#​777)
• util: Add BoxCloneSyncServiceLayer which is a Clone + Send + Sync boxed Layer (#​802)

v0.5.1: tower 0.5.1

Compare Source

• Fix minimum version of tower-layer dependency (#​787)

v0.5.0: tower 0.5.0

Compare Source

Fixed

• util: BoxService is now Sync (#​702)

Changed

• util: Removed deprecated ServiceExt::ready_and method and ReadyAnd
  future (#​652)
• retry: Breaking Change retry::Policy::retry now accepts &mut Req and &mut Res instead of the previous mutable versions. This
  increases the flexibility of the retry policy. To update, update your method signature to include mut for both parameters. (#​584)
• retry: Breaking Change Change Policy to accept &mut self (#​681)
• retry: Add generic backoff utilities (#​685)
• retry: Add Budget trait. This allows end-users to implement their own budget and bucket implementations. (#​703)
• reconnect: Breaking Change Remove unused generic parameter from Reconnect::new (#​755)
• ready-cache: Allow iteration over ready services (#​700)
• discover: Implement Clone for Change (#​701)
• util: Add a BoxCloneServiceLayer (#​708)
• rng: use a simpler random 2-sampler (#​716)
• filter: Derive Clone for AsyncFilterLayer (#​731)
• general: Update IndexMap (#​741)
• MSRV: Increase MSRV to 1.63.0 (#​741)

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Release Notes:

• N/A

[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: Cargo.lock

Command failed: cargo update --config net.git-fetch-with-cli=true --manifest-path crates/collab/Cargo.toml --package [email protected] --precise 0.5.2
    Updating crates.io index
error: failed to select a version for the requirement `tower = "^0.4.13"`
candidate versions found which didn't match: 0.5.2
location searched: crates.io index
required by package `axum v0.6.20`
    ... which satisfies dependency `axum = "^0.6"` (locked to 0.6.20) of package `collab v0.44.0 (/tmp/renovate/repos/github/zed-industries/zed/crates/collab)`