Add project name / id to GKE Cluster notifications

Retrieve project name and id to add to GKE notifications. Updated tests to reflect change in noticiation structure. Switched to pip-compile to create the requirements.txt

Part of #1 (closed)

cloud-function/eventhandlers/tests/gke_security_bulletin_message_card.json

@@ -10,9 +10,17 @@
             "title": "# **Summary**",
             "facts": [
                 {
-                    "name": "Project",
+                    "name": "Project Name",
+                    "value": "[Name - development](https://console.cloud.google.com/?project=123456789012)"
+                },
+                {
+                    "name": "Project Number",
                     "value": "[123456789012](https://console.cloud.google.com/?project=123456789012)"
                 },
+                {
+                    "name": "Project ID",
+                    "value": "[blah-devel-72a2b0bc](https://console.cloud.google.com/?project=123456789012)"
+                },
                 {
                     "name": "Cluster location",
                     "value": "europe-west2"