Bump QRCoder from 1.7.0 to 1.8.0 (#700)

---
updated-dependencies:
- dependency-name: QRCoder
  dependency-version: 1.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

DepotDownloader/DepotDownloader.csproj

@@ -26,7 +26,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="protobuf-net" Version="3.2.56" />
-    <PackageReference Include="QRCoder" Version="1.7.0" />
+    <PackageReference Include="QRCoder" Version="1.8.0" />
     <PackageReference Include="SteamKit2" Version="3.3.1" />
   </ItemGroup>
 </Project>