Update cheatsheets

tldr/windows/test-netconnection

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+---
+syntax: markdown
+tags: [tldr, windows]
+source: https://github.com/tldr-pages/tldr.git
+---
+# Test-NetConnection
+
+> Display diagnostic information for a connection.
+> This command can only be used through PowerShell.
+> More information: <https://learn.microsoft.com/powershell/module/nettcpip/test-netconnection>.
+
+- Test a connection and display detailed results:
+
+`Test-NetConnection -InformationLevel Detailed`
+
+- Test a connection to a remote host using the specified port number:
+
+`Test-NetConnection -ComputerName {{ip_or_hostname}} -Port {{port_number}}`