set up metrics collecting with open telemetry (#11236)

Done :  
- move metrics and health cache services from health module to metrics
module
- refactor metrics counter from specific method to set up from enum keys
- add OpenTelemetry (Otel) instrumentation for metrics
- set up Otel SDK to send metrics to Otel collector

To do later : 
- implement Otel instrumentation for traces + plug Sentry on top

packages/twenty-front/src/modules/settings/admin-panel/health-status/components/SettingsAdminHealthAccountSyncCountersTable.tsx

@@ -21,10 +21,6 @@ export const SettingsAdminHealthAccountSyncCountersTable = ({
   }
 
   const items = [
-    {
-      label: 'Not Synced',
-      value: details.counters.NOT_SYNCED,
-    },
     {
       label: 'Active Sync',
       value: details.counters.ACTIVE,