Bump spin from 0.9.4 to 0.9.5

[dependabot[bot]]

Bumps spin from 0.9.4 to 0.9.5.

Changelog

Sourced from spin's changelog.

[0.9.5] - 2023-02-07

Added

• FairMutex, a new mutex implementation that reduces writer starvation.
• A MSRV policy: Rust 1.38 is currently required

Changed

• The crate's CI now has full MIRI integration, further improving the confidence you can have in the implementation.

Fixed

• Ensured that the crate's abstractions comply with stacked borrows rules.
• Unsoundness in the RwLock that could be triggered via a reader overflow
• Relaxed various Send/Sync bound requirements to make the crate more flexible

Commits

• See full diff in compare view

You can trigger a rebase of this PR by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

[stlankes]

bors r+