Add Jenkinsfile for POT (#8179)

.ci/pot/Jenkinsfile

@@ -0,0 +1,14 @@
+#!groovy
+
+
+properties([
+    parameters([
+        string(defaultValue: '',
+               description: 'Pipeline shared library version (branch/tag/commit). Determined automatically if empty',
+               name: 'library_version')
+    ])
+])
+
+loadOpenVinoLibrary {
+    potEntrypoint(this)
+}