update to a static version

Signed-off-by: Stephanie <yangcao@redhat.com>

Author: yangcao77

docker/Dockerfile

@@ -1,10 +1,10 @@
-FROM registry.access.redhat.com/ubi8/dotnet-60:6.0 as builder
+FROM registry.access.redhat.com/ubi8/dotnet-60:6.0-25 as builder
 WORKDIR /opt/app-root/src
 COPY --chown=1001 . .
 RUN dotnet publish -c Release
 
 
-FROM registry.access.redhat.com/ubi8/dotnet-60:6.0
+FROM registry.access.redhat.com/ubi8/dotnet-60:6.0-25
 EXPOSE 8081
 ENV ASPNETCORE_URLS=http://*:8081
 COPY --from=builder /opt/app-root/src/bin /opt/app-root/src/bin