Improved: Add the OpenSSF Best Practices Badge (OFBIZ-13198)

Puts the right badge name for the release, with a convention for colors:
stable: green
next:   orange
trunk:  red

README.adoc

@@ -21,7 +21,7 @@ under the License.
 The Apache OFBiz Project
 
 image:https://img.shields.io/badge/License-Apache%202.0-blue.svg[link=http://www.apache.org/licenses/LICENSE-2.0]
-image:https://img.shields.io/badge/Version-trunk-blue.svg[link=https://github.com/apache/ofbiz-framework]
+image:https://img.shields.io/badge/Version-release24.09-orange.svg[link=https://github.com/apache/ofbiz-framework]
 // For the BuildBot badge to not get stuck on failure, ALL builds of all branches handled by https://svn.apache.org/repos/infra/infrastructure/buildbot2/projects/ofbiz.py need to pass
 image:https://ci2.apache.org/badges/ofbizTrunkFrameworkPlugins.svg[link=https://ci2.apache.org/#/builders?tags=%2BofbizTrunkFrameworkPlugins]
 image:https://github.com/apache/ofbiz-framework/actions/workflows/gradle.yaml/badge.svg?branch=trunk[link=https://github.com/apache/ofbiz-framework/actions/workflows/gradle.yaml]