Security and Library Updates

What's Changed

• Update alpine Docker tag to v3.21 by @renovate in #31
• Update actions/attest-build-provenance action to v2 by @renovate in #30
• Update docker/build-push-action digest to 7e09459 by @renovate in #27
• Update docker/metadata-action digest to 906ecf0 by @renovate in #28
• Bump golang.org/x/crypto from 0.27.0 to 0.31.0 by @dependabot in #32
• Update module golang.org/x/oauth2 to v0.25.0 by @renovate in #33
• Update dependency go to v1.23.4 by @renovate in #29
• Update module github.com/vultr/govultr/v3 to v3.13.0 by @renovate in #26

Full Changelog: v0.0.5...v0.0.6