Bump opentelemetry-semconv from 1.12.0-alpha to 1.21.0-alpha#48

dependabot[bot] wants to merge 1 commit intomainbuzzlighty/riptide:mainfrom

dependabot/maven/io.opentelemetry-opentelemetry-semconv-1.21.0-alphabuzzlighty/riptide:dependabot/maven/io.opentelemetry-opentelemetry-semconv-1.21.0-alphaCopy head branch name to clipboard