Merge pull request #13 from mstoykov/k6.0.45.1.update

Change k6 dependency to v0.45.1

Upgraded k6 to v0.43.0 and added pre-built docker image

Record metric tags as Prometheus labels

Update as xk6 was moved

Internal refactor

Update k6 module path that was changed in v0.32.0

Taskfile

Initial version