CRAYSAT-1126: Jenkinsfile changes for Python packaging

This commit modifies the Jenkinsfile to build a Python package.
* Add a stage in the parallel block to use the Makefile to build
  the Python package
* Use the `publishCsmPythonModules` function to publish.

Test Description: Checked results of multibranch pipeline

Jenkinsfile.github

@@ -13,9 +13,12 @@ pipeline {
 
     environment {
         NAME = "cray-product-catalog"
-        APP_NAME = "cray-product-catalog-update"
+        PYMOD_NAME = "cray-product-catalog"
         DESCRIPTION = "Update a product catalog with product/version artifacts."
+        APP_NAME = "cray-product-catalog-update"
         IS_STABLE = getBuildIsStable()
+        // Set PATH so that commands installed with pip --user are accessible
+        PATH = "${env.HOME}/.local/bin:${env.PATH}"
     }
 
     stages {
@@ -69,6 +72,15 @@ pipeline {
                         sh "make chart"
                     }
                 }
+
+                stage('Python Package'){
+                    steps {
+                        sh "make pymod_prepare"
+                        sh "make pymod_build"
+                        sh "make pymod_test"
+                    }
+                }
+
             }
         }
 
@@ -80,8 +92,8 @@ pipeline {
             steps {
                 publishCsmDockerImage(image: env.APP_NAME, tag: env.DOCKER_VERSION, isStable: env.IS_STABLE)
                 publishCsmHelmCharts(component: env.NAME, chartsPath: "${WORKSPACE}/kubernetes/.packaged", isStable: env.IS_STABLE)
-
+                publishCsmPythonModules(module: env.PYMOD_NAME, isStable: env.IS_STABLE)
             }
         }
     }
-}
+}