Updating an existing component template (#916)

Create a new issue template for updating an existing component

Author: dcaryll

.github/ISSUE_TEMPLATE/update_component.md

@@ -0,0 +1,33 @@
+---
+name: Update existing component
+about: Outline the update requirements for an existing component.
+labels: Design System, update component request, sev-1
+---
+
+# Component name: 
+
+> Name/Description of the component being updated
+
+
+## Design specification updates
+
+<!-- 
+    Snapshots and link to mock-ups for this component update. Should cover themes and states with guidelines for spacing, typography, and structure.  Breakpoint details for desktop, tablet, and mobile or general guidance for responsive changes.
+-->
+
+
+## Accessibility updates
+
+<!-- 
+    Guidance for keyboard navigation and screen-reader engagement.  [Best practice documentation](https://usability.yale.edu/web-accessibility/articles) from Yale University.
+-->
+
+
+## Interaction updates
+
+<!-- General guidance for how a user should interact with this component. -->
+
+
+## Analytics updates
+
+<!-- How will this component be tracked?  Are any custom events needed to hook into the state of the component? -->