Add Savannah for downloads and docs server access (#603)

* Add Savannah for 3.16/3.17 RM

* fix formatting;

Author: savannahostrowski

pillar/base/users/savannah.sls

@@ -0,0 +1,17 @@
+users:
+  savannahostrowski:
+    access:
+      docs:
+        allowed: true
+        groups:
+        - docs
+        - docsbuild
+        sudo: true
+      downloads:
+        allowed: true
+        groups:
+        - downloads
+        sudo: true
+    fullname: Savannah Bailey
+    ssh_keys:
+    - ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKxAEF6iypXTYCvLhGFpLmMv6T2JL7zgZVZxQsjKPMNa savannah@python.org