chore(deps): bump dotnet/runtime in /WikiPageStatsGenerator

Bumps dotnet/runtime from 7.0 to 8.0.

---
updated-dependencies:
- dependency-name: dotnet/runtime
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

WikiPageStatsGenerator/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/runtime:7.0 AS base
+FROM mcr.microsoft.com/dotnet/runtime:8.0 AS base
 WORKDIR /app
 
 FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build