v0.4.0

What's Changed

• Bump rust from 1.81-slim to 1.82-slim by @dependabot in #21
• Bump debian from 12.7-slim to 12.8-slim by @dependabot in #22
• Bump rust from 1.82-slim to 1.83-slim by @dependabot in #23
• Bump rust from 1.83-slim to 1.84-slim by @dependabot in #24
• Bump debian from 12.8-slim to 12.9-slim by @dependabot in #25
• Bump rust from 1.84-slim to 1.85-slim by @dependabot in #26
• Bump debian from 12.9-slim to 12.10-slim by @dependabot in #27
• Migration to metrics library by @barrelmaker97 in #28

Full Changelog: v0.3.1...v0.4.0