Update BuildSitePages to reference new BuildPythonContainer alias for docker image path

Author: Quattro8

.teamcity/kotlinlang/builds/BuildSitePages.kt

@@ -56,7 +56,7 @@ object BuildSitePages : BuildType({
                 python kotlin-website.py build
             """.trimIndent()
 
-            dockerImage = "%dep.Kotlin_KotlinSites_Playground_KotlinlangTeamcityDslAndreiEzerskii_BuildPythonContainer.kotlin-website-image%"
+            dockerImage = "%dep.Kotlin_KotlinSites_KotlinlangTeamcityDsl_BuildPythonContainer.kotlin-website-image%"
             dockerImagePlatform = ScriptBuildStep.ImagePlatform.Linux
             dockerPull = true