Ensure instrumentation names align with semantic conventions

[jzheaux]

For all instrumentation:
https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/trace/api.md#span
https://github.com/open-telemetry/opentelemetry-specification/tree/main/specification/metrics/semantic_conventions
https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/trace/semantic_conventions/exceptions.md

For HTTP instrumentation:
https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/trace/semantic_conventions/http.md#name
https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/semantic_conventions/http-metrics.md