[CI] Add Logging for Workflow Jobs

This patch adds some logging information for individual workflow jobs inside
the metrics container. This is mainly intended for debugging why we seem to be
missing metrics from some workflows within Grafana.

.ci/metrics/metrics.py

@@ -193,6 +193,10 @@ def get_per_workflow_metrics(
             # in nanoseconds.
             created_at_ns = int(created_at.timestamp()) * 10**9
 
+            logging.info(
+                f"Adding a job metric for job {workflow_job.id} in workflow {workflow_run.id}"
+            )
+
             workflow_metrics.append(
                 JobMetrics(
                     workflow_run.name + "-" + workflow_job.name,