Add PID into MEMORY_RUNTIME_METRICS_ENABLED (#1129)

* Fix name of env var

* [Mega-Linter] Apply linters fixes

* Bump tests

---------

Co-authored-by: hmstepanek <hmstepanek@users.noreply.github.com>
Co-authored-by: Tim Pansino <timpansino@gmail.com>

newrelic/core/config.py

@@ -745,7 +745,9 @@ def default_otlp_host(host):
 _settings.gc_runtime_metrics.enabled = False
 _settings.gc_runtime_metrics.top_object_count_limit = 5
 
-_settings.memory_runtime_pid_metrics.enabled = _environ_as_bool("NEW_RELIC_MEMORY_RUNTIME_METRICS_ENABLED", default=True)
+_settings.memory_runtime_pid_metrics.enabled = _environ_as_bool(
+    "NEW_RELIC_MEMORY_RUNTIME_PID_METRICS_ENABLED", default=True
+)
 
 _settings.transaction_events.enabled = True
 _settings.transaction_events.attributes.enabled = True