v2.1.3

Changelog

• 0dfc76b chore: update ignore file
• 57e7247 feat: add request interval string
• f8a1d8b feat: update deps & golang version
• 0c7ede0 refactor(collector): improve testability & cleanup code
• 392ed66 refactor(prom): add support for configurable metrics collection interval & cleanup
• 6354e3e refactor: metrics collection with configurable interval initialization
• 0b205cb refactor: remove old chart from repo
• 4dea1e7 refactor: update test file