fix: bump the dependencies group with 2 updates

Bumps the dependencies group with 2 updates: [BigBook](https://github.com/JaCraig/BigBookOfDataTypes) and [Valkyrie](https://github.com/JaCraig/Valkyrie).


Updates `BigBook` from 5.1.21 to 5.1.22
- [Changelog](https://github.com/JaCraig/BigBookOfDataTypes/blob/master/CHANGELOG.md)
- [Commits](JaCraig/BigBookOfDataTypes@v5.1.21...v5.1.22)

Updates `Valkyrie` from 4.0.62 to 4.0.64
- [Changelog](https://github.com/JaCraig/Valkyrie/blob/master/CHANGELOG.md)
- [Commits](JaCraig/Valkyrie@v4.0.62...v4.0.64)

---
updated-dependencies:
- dependency-name: BigBook
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: Valkyrie
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

src/Mirage/Mirage.csproj

@@ -46,7 +46,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="BigBook" Version="5.1.21" />
+    <PackageReference Include="BigBook" Version="5.1.22" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
     <PackageReference Include="System.ValueTuple" Version="4.5.0" />
 	  <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />

test/Mirage.Tests/Mirage.Tests.csproj

@@ -25,7 +25,7 @@
   <ItemGroup>
     <PackageReference Include="Mecha.xUnit" Version="2.1.44" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
-    <PackageReference Include="Valkyrie" Version="4.0.62" />
+    <PackageReference Include="Valkyrie" Version="4.0.64" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.7">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>