Merge pull request #2358 from porter-dev/master

R5 instance types -> staging

api/server/handlers/infra/forms.go

@@ -91,12 +91,12 @@ tabs:
           value: db.t3.xlarge
         - label: db.t3.2xlarge
           value: db.t3.2xlarge
-        - label: db.r6g.large
-          value: db.r6g.large
-        - label: db.r6g.xlarge
-          value: db.r6g.xlarge
-        - label: db.r6g.2xlarge
-          value: db.r6g.2xlarge
+        - label: db.r5.large
+          value: db.r5.large
+        - label: db.r5.xlarge
+          value: db.r5.xlarge
+        - label: db.r5.2xlarge
+          value: db.r5.2xlarge
   - name: family-versions
     contents:
     - type: select