Bump io.opentelemetry:opentelemetry-bom-alpha from 1.27.0-alpha to 1.… #177

Job	Run time
gradle-wrapper-validation	5s
build (macos-latest)	1m 59s
build (ubuntu-latest)	1m 8s
build (windows-latest)	7m 55s
markdown-link-check / markdown-link-check	11s
required-status-check	1s
	11m 19s

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