[C++] Update OpenTelemetry to v1.1.0

[asfimport]

Changelog is fairly minor: https://github.com/open-telemetry/opentelemetry-cpp/releases/tag/v1.1.0

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

Related issues:

• [C++] Update library imports for OpenTelemetry v1.1.0 (causes)
• [C++] Integrate tracing framework (relates to)

PRs and other links:

• GitHub Pull Request #11834

_{Note: This issue was originally created as ARROW-14957. Please see the migration documentation for further details.}

[asfimport]

David Li / @lidavidm:
open-telemetry/opentelemetry-cpp@eca856d should fix the gRPC dependency with OTLP so we should try to get rid of that too.

[asfimport]

David Li / @lidavidm:
Issue resolved by pull request 11834
#11834