[chore] : Bump github.com/hashicorp/go-metrics from 0.5.4 to 0.6.0 in the go group across 1 directory

[dependabot]

Bumps the go group with 1 update in the / directory: github.com/hashicorp/go-metrics.

Updates github.com/hashicorp/go-metrics from 0.5.4 to 0.6.0

Release notes

Sourced from github.com/hashicorp/go-metrics's releases.

v0.6.0

What's Changed

• Added a RunBackgroundCleanup method to the Prometheus sink that periodically clears expired metrics if they are not collected. This is available only with the hashicorpmetrics build tag.
• DataDog metrics will now include a trailing newline, allowing dogstatsd agent operators to enable truncation detection via dogstatsd_eol_required.
• Dependency and toolchain updates to bring dependencies current on upstream security updates.

Full Changelog: hashicorp/go-metrics@v0.5.4...v0.6.0

Commits

• 794fef7 update go.mod to current oldstable (#209)
• 163ebc8 [chore] : Bump the go group across 1 directory with 7 updates (#187)
• 536d702 Remove test dependency on custom library (#208)
• 8008473 CI: update checks and copywrite config (#207)
• 22b1078 [chore] : Bump the actions group across 1 directory with 4 updates (#198)
• 30cb4af prometheus: periodically clear expired metrics (#206)
• ff4b5d9 compliance: fix invalid team from CODEOWNERS file (#205)
• 4f22c66 Merge pull request #204 from hashicorp/remove-ip-compliance-codeowner
• 5da556b Add nomad-eng, consul-core, and vault-core as co-owners per reviewer feedback
• 1f5763d Remove ip-compliance team from CODEOWNERS, transfer ownership to raft-force
• Additional commits viewable in compare view

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