Update Rust crate hashbrown to 0.16.0

[oxide-renovate]

This PR contains the following updates:

Package	Type	Update	Change
hashbrown	workspace.dependencies	minor	0.15.4 -> 0.16.0

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Release Notes

rust-lang/hashbrown (hashbrown)

v0.16.0

Compare Source

Changed

• Bump foldhash, the default hasher, to 0.2.0.
• Replaced DefaultHashBuilder with a newtype wrapper around foldhash instead
  of re-exporting it directly.

v0.15.5

Compare Source

Added

• Added Entry::or_default_entry and Entry::or_insert_entry.

Changed

• Re-implemented likely/unlikely with #[cold]

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Configuration

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This PR has been generated by Renovate Bot.

[oxide-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 Cargo.toml --package [email protected] --precise 0.16.0
    Updating crates.io index
error: failed to select a version for the requirement `hashbrown = "^0.15.0"`
candidate versions found which didn't match: 0.16.0
location searched: crates.io index
required by package `regress v0.10.3`
    ... which satisfies dependency `regress = "^0.10.3"` (locked to 0.10.3) of package `typify-impl v0.4.2`
    ... which satisfies dependency `typify-impl = "^0.4.2"` (locked to 0.4.2) of package `typify v0.4.2`
    ... which satisfies dependency `typify = "^0.4.2"` (locked to 0.4.2) of package `iddqd-extended-examples v0.1.0 (/tmp/renovate/repos/github/oxidecomputer/iddqd/crates/iddqd-extended-examples)`