Fix default property names (#171)

protocol and compression need to be configured for the otlp exporter

Signed-off-by: Karsten Schnitter <k.schnitter@sap.com>

Author: KarstenSchnitter

cf-java-logging-support-opentelemetry-agent-extension/src/main/java/com/sap/hcf/cf/logging/opentelemetry/agent/ext/binding/CloudLoggingBindingPropertiesSupplier.java

@@ -105,8 +105,8 @@ private Map<String, String> createEndpointConfiguration(CfService svc) {
             properties.put("otel.exporter.otlp.client.certificate", clientCertFile.getAbsolutePath());
             properties.put("otel.exporter.otlp.certificate", serverCertFile.getAbsolutePath());
 
-            properties.put("otel.exporter.protocol", "grpc");
-            properties.put("otel.exporter.compression", "gzip");
+            properties.put("otel.exporter.otlp.protocol", "grpc");
+            properties.put("otel.exporter.otlp.compression", "gzip");
 
             return properties;
         } catch (IOException cause) {