Updated dotnet 6 image and README file

Dockerfile

@@ -1,14 +1,14 @@
-FROM mcr.microsoft.com/dotnet/sdk:8.0.201
+FROM mcr.microsoft.com/dotnet/sdk:6.0.422
 
 # Dockerfile meta-information
 LABEL maintainer="NOS Inovação S.A." \
     app_name="dotnet-sonar"
 
 ENV SONAR_SCANNER_MSBUILD_VERSION=6.2.0.85879 \
-    DOTNETCORE_SDK=8.0.201 \
-    DOTNETCORE_RUNTIME=8.0.2 \
+    DOTNETCORE_SDK=6.0.422 \
+    DOTNETCORE_RUNTIME=6.0.30 \
     NETAPP_VERSION=net \
-    DOCKER_VERSION=5:24.0.7-1~debian.12~bookworm \
+    DOCKER_VERSION=5:24.0.7-1~debian.11~bullseye \
     CONTAINERD_VERSION=1.6.25-1 \
     OPENJDK_VERSION=17 \
     NODEJS_VERSION=20

README.md

@@ -25,13 +25,14 @@ This latest image was built with the following components:
 * `24.02.4`, `latest7`, `24.02-dotnet7` [(24.02.4/Dockerfile)](https://github.com/nosinovacao/dotnet-sonar/blob/24.02.4/Dockerfile)
   * DotNet 7.0.406
   * SonarScanner 6.2.0.85879
-* `24.02.3`, `latest6`, `24.02-dotnet6` [(24.02.3/Dockerfile)](https://github.com/nosinovacao/dotnet-sonar/blob/24.02.3/Dockerfile)
-  * DotNet 6.0.419
+* `24.05.3`, `latest6`, `24.05-dotnet6` [(24.05.3/Dockerfile)](https://github.com/nosinovacao/dotnet-sonar/blob/24.05.3/Dockerfile)
+  * DotNet 6.0.422
   * SonarScanner 6.2.0.85879
 > :warning: **[(THIS VERSION HAS REACHED END OF LIFE)](https://dotnet.microsoft.com/en-us/download/dotnet/5.0)**
 * `22.07.1`, `latest5` [(22.07.1/Dockerfile)](https://github.com/nosinovacao/dotnet-sonar/blob/22.07.1/Dockerfile)
   * DotNet 5.0.408
   * SonarScanner 5.7.1.49528
+* `24.02.3` [(24.02.3/Dockerfile)](https://github.com/nosinovacao/dotnet-sonar/blob/24.02.3/Dockerfile)
 * `24.01.5` [(24.01.5/Dockerfile)](https://github.com/nosinovacao/dotnet-sonar/blob/24.01.5/Dockerfile)
 * `24.01.4` [(24.01.4/Dockerfile)](https://github.com/nosinovacao/dotnet-sonar/blob/24.01.4/Dockerfile)
 * `24.01.3` [(24.01.3/Dockerfile)](https://github.com/nosinovacao/dotnet-sonar/blob/24.01.3/Dockerfile)