feat(cmn): BSV2 collects default metrics (#2754)

Have BSV2 collect default node metrics
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

.changeset/eight-coats-fix.md

+---
+'@eth-optimism/common-ts': patch
+---
+
+Collect default node metrics

packages/common-ts/src/base-service/base-service-v2.ts

@@ -360,6 +360,12 @@ export abstract class BaseServiceV2<
       },
       1
     )
+
+    // Collect default node metrics.
+    prometheus.collectDefaultMetrics({
+      register: this.metricsRegistry,
+      labels: { name: params.name, version: params.version },
+    })
   }
 
   /**