Make opentelemetry-bom-alpha depend on opentelemetry-bom (#4755)

Author: jack-berg

bom-alpha/build.gradle.kts

@@ -6,4 +6,12 @@ description = "OpenTelemetry Bill of Materials (Alpha)"
 group = "io.opentelemetry"
 base.archivesName.set("opentelemetry-bom-alpha")
 
-otelBom.projectFilter.set { it.findProperty("otel.release") == "alpha" }
+otelBom.projectFilter.set { it.findProperty("otel.release") == "alpha" }
+
+// Required to place dependency on opentelemetry-bom
+javaPlatform.allowDependencies()
+
+dependencies {
+  // Add dependency on opentelemetry-bom to ensure synchronization between alpha and stable artifacts
+  api(platform(project(":bom")))
+}