v2.00

• feat: add stale (#14)
• chore: add dependabot automerge (#18)
• Allow Complete Zipkin Url (#19)
• Bump zipkin-context-cls from 0.19.0 to 0.21.0 (#5)
• Bump zipkin-transport-http from 0.19.2 to 0.21.0 (#7)
• Bump standard from 10.0.3 to 14.3.4 (#9)
• Bump zipkin from 0.19.2 to 0.21.0 (#6)
• Bump sinon from 7.5.0 to 9.0.2 (#8)
• Bump zipkin from 0.21.0 to 0.22.0 (#12)
• Bump zipkin-transport-http from 0.21.0 to 0.22.0 (#11)
• Bump zipkin-context-cls from 0.21.0 to 0.22.0 (#10)
• var -> const
• updated deps