Bump System.ValueTuple from 4.4.0 to 4.5.0

Bumps [System.ValueTuple](https://github.com/dotnet/corefx) from 4.4.0 to 4.5.0.
- [Release notes](https://github.com/dotnet/corefx/releases)
- [Commits](https://github.com/dotnet/corefx/commits)

---
updated-dependencies:
- dependency-name: System.ValueTuple
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/FSharp/FSharp.fsproj

@@ -50,6 +50,6 @@ F#: BigRational.FromDecimal ~Brian Berns</PackageReleaseNotes>
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="System.ValueTuple" Version="4.4.0" Condition="'$(TargetFramework)' == 'net461'" />
+        <PackageReference Include="System.ValueTuple" Version="4.5.0" Condition="'$(TargetFramework)' == 'net461'" />
     </ItemGroup>
 </Project>

src/Numerics/Numerics.csproj

@@ -34,6 +34,6 @@ F#: BigRational.FromDecimal ~Brian Berns</PackageReleaseNotes>
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="System.ValueTuple" Version="4.4.0" Condition="'$(TargetFramework)' == 'net461'" />
+    <PackageReference Include="System.ValueTuple" Version="4.5.0" Condition="'$(TargetFramework)' == 'net461'" />
   </ItemGroup>
 </Project>