Typo for MAC address in /api/info

[cristalp]

When calling https://demo.verapdf.org/api/info, the result shows the MAC address as

<Environment>
	<os>
		<name>Linux</name>
		<version>4.9.0-19-amd64</version>
		<architecture>amd64</architecture>
	</os>
	<java>
		<vendor>Eclipse Adoptium</vendor>
		<version>11.0.31</version>
		<architecture>x64</architecture>
		<home>/opt/java/openjdk</home>
	</java>
	<server>
		<ipAddress>172.32.0.2</ipAddress>
		<hostName>50214717be2f</hostName>
		<machAddress>02-42-AC-20-00-02</machAddress>
	</server>
</Environment>

Instead of machAddress, that should bemacAddress.