gcloud-version: add page (#11647)

* gcloud-version: add page

---------

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/common/gcloud-version.md

@@ -0,0 +1,12 @@
+# gcloud-version
+
+> Print version information for Google Cloud CLI components.
+> More information: <https://cloud.google.com/sdk/gcloud/reference/version>.
+
+- Print the version information for all installed components, along with available updates to them:
+
+`gcloud version`
+
+- Display help:
+
+`gcloud version --help`