skip CreateImageIndex task in case of local damon podman publishing as it is not supported

Author: Surayya Huseyn Zada

src/Containers/Microsoft.NET.Build.Containers/Resources/Strings.Designer.cs

@@ -380,6 +380,10 @@
     <value>Cannot create manifest list (image index) because provided images are invalid. Items must have 'Config', 'Manifest', 'ManifestMediaType' and 'ManifestDigest' metadata.</value>
     <comment/>
   </data>
+  <data name="ImageIndex_PodmanNotSupported" xml:space="preserve">
+    <value>Image index creation for Podman is not supported.</value>
+    <comment/>
+  </data>
   <data name="LocalDocker_FailedToGetConfig" xml:space="preserve">
     <value>Error while reading daemon config: {0}</value>
     <comment>{0} is the exception message that ends with period</comment>