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

…28.0-alpha (#147)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -28,7 +28,7 @@ subprojects {
     }
 
     dependencies {
-        implementation platform("io.opentelemetry:opentelemetry-bom-alpha:1.27.0-alpha")
+        implementation platform("io.opentelemetry:opentelemetry-bom-alpha:1.28.0-alpha")
         implementation platform("io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha:1.27.0-alpha")
     }