Created dotnet 9 image and updated README file

Dockerfile

@@ -1,12 +1,12 @@
-FROM mcr.microsoft.com/dotnet/sdk:8.0.404
+FROM mcr.microsoft.com/dotnet/sdk:9.0.100
 
 # Dockerfile meta-information
 LABEL maintainer="NOS Inovação S.A." \
     app_name="dotnet-sonar"
 
 ENV SONAR_SCANNER_MSBUILD_VERSION=9.0.2.104486 \
-    DOTNETCORE_SDK=8.0.404 \
-    DOTNETCORE_RUNTIME=8.0.11 \
+    DOTNETCORE_SDK=9.0.100 \
+    DOTNETCORE_RUNTIME=9.0.0 \
     NETAPP_VERSION=net \
     DOCKER_VERSION=5:24.0.7-1~debian.12~bookworm \
     CONTAINERD_VERSION=1.6.25-1 \

README.md

@@ -8,8 +8,8 @@ It also allows you to run Docker in Docker using a docker.sock mount.
 
 This latest image was built with the following components:
 
-* dotnetcore-sdk 8.0.404
-* dotnetcore-runtime 8.0.11 (required by Sonar-Scanner)
+* dotnetcore-sdk 9.0.100
+* dotnetcore-runtime 9.0.0 (required by Sonar-Scanner)
 * SonarQube MSBuild Scanner 9.0.2.104486
 * Docker binaries 24.0.x (for running Docker in Docker using the docker.sock mount)
 * OpenJDK Java Runtime 17 (required by Sonar-Scanner and some Sonar-Scanner plugins)
@@ -19,6 +19,9 @@ This latest image was built with the following components:
 
 > Tags are written using the following pattern: `dotnet-sonar:<year>.<month>.<revision>`
 
+* `24.11.6`, `latest9`, `latest9`, `24.11-dotnet9` [(24.11.6/Dockerfile)](https://github.com/nosinovacao/dotnet-sonar/blob/24.11.6/Dockerfile)
+  * DotNet 9.0.100
+  * SonarScanner 9.0.2.104486
 * `24.11.5`, `latest8`, `24.11-dotnet8` [(24.11.5/Dockerfile)](https://github.com/nosinovacao/dotnet-sonar/blob/24.11.5/Dockerfile)
   * DotNet 8.0.404
   * SonarScanner 9.0.2.104486