Update Rust crate hostname to 0.4

[oxide-renovate]

This PR contains the following updates:

Package	Type	Update	Change
hostname	workspace.dependencies	minor	0.3 -> 0.4

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Release Notes

svartalf/hostname (hostname)

v0.4.0

Compare Source

Added

• CI setup now covers almost all supported Tier 1 and Tier 2 platform targets

Changed

• Minimum Supported Rust version set to 1.67.0
• Rust edition set to "2021"

Fixed

• Handle edge cases for POSIX systems (#​14)
• docs.rs documentation build

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Configuration

📅 Schedule: Branch creation - "after 8pm,before 6am" in timezone America/Los_Angeles, Automerge - "after 8pm,before 6am" in timezone America/Los_Angeles.

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

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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 0.4.0
    Updating crates.io index
error: failed to select a version for the requirement `hostname = "^0.3.0"`
candidate versions found which didn't match: 0.4.0
location searched: crates.io index
required by package `slog-bunyan v2.5.0`
    ... which satisfies dependency `slog-bunyan = "^2.5.0"` (locked to 2.5.0) of package `dropshot v0.10.1-dev (https://github.com/oxidecomputer/dropshot?branch=main#33e158ba)`
    ... which satisfies git dependency `dropshot` (locked to 0.10.1-dev) of package `mgd v0.1.0 (/tmp/renovate/repos/github/oxidecomputer/maghemite/mgd)`
perhaps a crate was updated and forgotten to be re-vendored?

[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 0.4.1
error: failed to acquire package cache lock

Caused by:
  failed to open: /home/ubuntu/.cargo/.package-cache

Caused by:
  failed to create directory `/home/ubuntu/.cargo`

Caused by:
  File exists (os error 17)