build(deps): bump go.opentelemetry.io/proto/otlp (#2132)

Bumps [go.opentelemetry.io/proto/otlp](https://github.com/open-telemetry/opentelemetry-proto-go) from 0.12.0 to 0.12.1.
- [Release notes](https://github.com/open-telemetry/opentelemetry-proto-go/releases)
- [Commits](open-telemetry/opentelemetry-proto-go@v0.12.0...v0.12.1)

---
updated-dependencies:
- dependency-name: go.opentelemetry.io/proto/otlp
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>

instrumentation/github.com/aws/aws-lambda-go/otellambda/xrayconfig/go.mod

@@ -18,6 +18,6 @@ require (
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.6.0
 	go.opentelemetry.io/otel/sdk v1.6.0
 	go.opentelemetry.io/otel/trace v1.6.0
-	go.opentelemetry.io/proto/otlp v0.12.0
+	go.opentelemetry.io/proto/otlp v0.12.1
 	google.golang.org/grpc v1.45.0
 )