update mef

Author: tonyhallett

FineCodeCoverage/FineCodeCoverage.csproj

@@ -176,7 +176,7 @@
       <Version>3.3.0</Version>
     </PackageReference>
     <PackageReference Include="System.Composition">
-      <Version>5.0.1</Version>
+      <Version>7.0.0</Version>
     </PackageReference>
     <PackageReference Include="System.IO.Compression">
       <Version>4.3.0</Version>

FineCodeCoverage2022/FineCodeCoverage2022.csproj

@@ -171,7 +171,7 @@
       <Version>3.3.0</Version>
     </PackageReference>
     <PackageReference Include="System.Composition">
-      <Version>5.0.1</Version>
+      <Version>7.0.0</Version>
     </PackageReference>
     <PackageReference Include="System.IO.Compression">
       <Version>4.3.0</Version>