[C++] Update library imports for OpenTelemetry v1.1.0

[asfimport]

OTel changed their CMake config in v1.1.0 and this was overlooked in ARROW-14957.

Reporter: David Li / @lidavidm
Assignee: David Li / @lidavidm

Related issues:

• [C++] Update OpenTelemetry to v1.1.0 (is caused by)

PRs and other links:

• GitHub Pull Request #11903

_{Note: This issue was originally created as ARROW-15027. Please see the migration documentation for further details.}

[asfimport]

David Li / @lidavidm:
Issue resolved by pull request 11903
#11903