Micrometer documentation uses old URLs

[mayusoma-redhat]

Describe the bug
Micrometer URL used in the Quarkus documentation links to old Micrometer site. For example:

micrometer.io/docs/concepts#_gauges should be changed to docs.micrometer.io/micrometer/reference/concepts/gauges.html

Which pages
quarkus.io/guides/telemetry-micrometer