Add JMX metrics gatherer version 1.27.0-alpha (open-telemetry#23435)

Add JMX metrics gatherer version `1.27.0-alpha`.

cc @open-telemetry/java-contrib-approvers

Author: opentelemetrybot

receiver/jmxreceiver/supported_jars.go

@@ -31,6 +31,10 @@ func oldFormatProperties(c *Config, j supportedJar) error {
 // If you change this variable name, please open an issue in opentelemetry-java-contrib
 // so that repository's release automation can be updated
 var jmxMetricsGathererVersions = map[string]supportedJar{
+	"97d3a0767642297d7259ac274c4eb107b4e83d48fa2b8d91ceb800a31437a734": {
+		version: "1.27.0-alpha",
+		jar:     "JMX metrics gatherer",
+	},
 	"12e6dba902d35872cd69b99f23863dc9536660620fc0eb9eed8d0e45b2354970": {
 		version: "1.26.0-alpha",
 		jar:     "JMX metrics gatherer",