chore(deps): update dependency sixlabors.imagesharp to v4

HellionChat/HellionChat.csproj

@@ -32,7 +32,7 @@
              WaveOutEvent and WaveFileReader both live in NAudio.WinMM + NAudio.Core. -->
         <PackageReference Include="NAudio.WinMM" Version="2.3.0" />
         <PackageReference Include="Pidgin" Version="[3.5.1, 4.0.0)" />
-        <PackageReference Include="SixLabors.ImageSharp" Version="[3.1.12, 4.0.0)" />
+        <PackageReference Include="SixLabors.ImageSharp" Version="[3.1.12,4.1.2]" />
     </ItemGroup>
 
     <ItemGroup>

HellionChat/packages.lock.json

@@ -119,7 +119,7 @@
       },
       "SixLabors.ImageSharp": {
         "type": "Direct",
-        "requested": "[3.1.12, 4.0.0)",
+        "requested": "[3.1.12, 4.1.2]",
         "resolved": "3.1.12",
         "contentHash": "iAg6zifihXEFS/t7fiHhZBGAdCp3FavsF4i2ZIDp0JfeYeDVzvmlbY1CNhhIKimaIzrzSi5M/NBFcWvZT2rB/A=="
       },