Fix issue with path for pipeline builds

Closes #53

src/SemVer.Json/Dockerfile

@@ -4,7 +4,7 @@ FROM mcr.microsoft.com/dotnet/sdk:8.0 as build-env
 # Copy everything and publish the release (publish implicitly restores and builds)
 WORKDIR /app
 COPY . ./
-RUN dotnet publish ./SemVer.Json.csproj -c Release -o out --no-self-contained
+RUN dotnet publish ./src/SemVer.Json/SemVer.Json.csproj -c Release -o out --no-self-contained
 
 FROM mcr.microsoft.com/dotnet/runtime:8.0-alpine
 COPY --from=build-env /app/out .