v7.0.0

Changelog

• 3851278: Add Dependabot; Switch to goreleaser (@benjaminguttmann-avtq)
• c162b4a: Merge pull request #65 from bosh-prometheus/add-dependatbot-switch-to-goreleaser (@psycofdj)
• 397a385: add stale workflow (@psycofdj)
• 54ceb6a: bump dependencies (@psycofdj)
• 9dcdd17: clean sync map instead re-allocating (@ArthurHlt)
• 3f85846: complete rewrite with retro compatibilit (@ArthurHlt)
• faf77ea: ensure test and docker are run even when testing/release tool update (@ArthurHlt)
• 61b7733: give additional operations to stale-issue-pr (@psycofdj)
• b11c19c: improve performance and use less ram (@ArthurHlt)