build(deps): bump Microsoft.EntityFrameworkCore.Sqlite in /projects

Bumps [Microsoft.EntityFrameworkCore.Sqlite](https://github.com/dotnet/efcore) from 7.0.13 to 7.0.15.
- [Release notes](https://github.com/dotnet/efcore/releases)
- [Commits](dotnet/efcore@v7.0.13...v7.0.15)

---
updated-dependencies:
- dependency-name: Microsoft.EntityFrameworkCore.Sqlite
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

projects/Canary/Canary.csproj

@@ -19,7 +19,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="6.0.5" />
     <PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="6.0.5" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.13" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="7.0.13" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="7.0.15" />
     <PackageReference Include="Bogus" Version="34.0.2" />
 
     <ProjectReference Include="..\VitalRecord\VitalRecord.csproj" />