Fixed indentation in YAML for deployment at otel-config.yaml (#9311)

The name/value entry had an incorrect indentation that made the
documented process fail (Document ref:
https://opentelemetry.io/docs/collector/installation/)

examples/k8s/otel-config.yaml

@@ -206,7 +206,7 @@ spec:
                 apiVersion: v1
                 fieldPath: status.podIP
           - name: GOMEMLIMIT
-              value: 1600MiB
+            value: 1600MiB
         volumeMounts:
         - name: otel-collector-config-vol
           mountPath: /conf