Update dependency k6io/k6 to v0.38.1

This MR contains the following updates:

Package	Type	Update	Change
k6io/k6	ironbank-github	patch	v0.38.0 -> v0.38.1
k6io/k6		patch	v0.38.0 -> v0.38.1

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Release Notes

k6io/k6

v0.38.1

Compare Source

k6 v0.38.1 is a patch release containing a bugfix!

Threshold sub-metric selectors containing reserved symbols would fail (#​2512)

There was a bug in threshold sub-metric selector parsing, which led to errors when users would use specific symbols such as {, } or : as part of their definitions. For instance, thresholds used for sub-metrics with URL Grouping like http_req_duration{name:"http://example.com/${}"} would have led to failures in v0.38.0.

The error messages for invalid metric, sub-metric and threshold definitions were also improved.

Special thanks to @​efdknittlfrank, who reported and helped us track down the issue.

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