Bump OpenTelemetry to 1.5.1

[CodeBlanch]

Changes

• Bumps the repo OpenTelemetryCoreLatestVersion prop to 1.5.1
• Fixes code in OpenTelemetry.Exporter.OneCollector & OpenTelemetry.Extensions to build against 1.5.1
• Tweaks the GenevaExporter log code to prefer StateValues over State

Merge checklist

• Appropriate CHANGELOG.md updated for non-trivial changes

[Kielek]

Consider applying following patch.
It removes duplicated entries for unreleased packages and make changes
OTel SDK to OpenTelemetry SDK.
0001-Improve-Changelog.patch

[Havret]

InfluxDB part looks fine.

[CodeBlanch]

@Kielek

Consider applying following patch.

Thanks, applied. Updated the AWSXRay CHANGELOG to drop 1.3.1 line as well so now it just has 1.5.1 in the unreleased section. Seemed odd to remove the 1.5.0 mention but not the 1.3.1 one too 🤷