Bump dotnet/aspnet from 5.0.6 to 5.0.7 in /src/JoinRpg.Portal (#1434)

Bumps dotnet/aspnet from 5.0.6 to 5.0.7.

---
updated-dependencies:
- dependency-name: dotnet/aspnet
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

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

Author: dependabot[bot]

src/JoinRpg.Portal/Dockerfile

@@ -5,7 +5,7 @@ COPY . ./
 RUN dotnet publish src/JoinRpg.Portal -c Release -o out
 
 # Build runtime image
-FROM mcr.microsoft.com/dotnet/aspnet:5.0.6
+FROM mcr.microsoft.com/dotnet/aspnet:5.0.7
 WORKDIR /app
 COPY --from=build-env /app/out .