Fixed issue where Spring was unable to find the PrometheusMeterRegist…

…ry Bean (#1019)

Signed-off-by: graytaylor0 <[email protected]>

data-prepper-core/src/main/java/com/amazon/dataprepper/parser/config/MetricsConfig.java

@@ -86,7 +86,7 @@ private void configureMetricRegistry(final MeterRegistry meterRegistry) {
     }
 
     @Bean
-    public MeterRegistry prometheusMeterRegistry(final DataPrepperConfiguration dataPrepperConfiguration) {
+    public PrometheusMeterRegistry prometheusMeterRegistry(final DataPrepperConfiguration dataPrepperConfiguration) {
         if (dataPrepperConfiguration.getMetricRegistryTypes().contains(MetricRegistryType.Prometheus)) {
             final PrometheusMeterRegistry meterRegistry = new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);
             configureMetricRegistry(meterRegistry);