[devops] Add a bit more info when showing the enviroment. (#21311)

Also show:

* The network configuration
* The load on the system / cpu usage (top)

tools/devops/automation/scripts/show_env.ps1

@@ -15,6 +15,20 @@ gci env: | format-table -autosize | Out-String -Width 8192
 gci env: | format-table -autosize -wrap
 
 if ($IsMacOS) {
+    Write-Host ""
+    Write-Host "## System profile"
+    Write-Host ""
     system_profiler SPSoftwareDataType SPHardwareDataType SPDeveloperToolsDataType
+
+    Write-Host ""
+    Write-Host "## Network configuration"
+    Write-Host ""
+    ifconfig | grep 'inet '
+
+
+    Write-Host ""
+    Write-Host "## Top processes"
+    Write-Host ""
+    top -l 1 -o TIME
 }