Update mailing address for CHAMPVA

[michaelclement]

Per Laura in this DSVA thread we need to update the CHAMPVA mailing address.

VHA Office of Integrated Veteran Care
CHAMPVA Eligibility
PO Box 137
Spring City. PA 19475

Acceptance criteria:

• Mailing address in the React widget has been changed from the Denver address to the one listed above
• Mailing address in form 10-10d has been changed from the Denver address to the one listed above

[michaelclement]

	Widget	File overview page
New

[michaelclement]

@baltes This is waiting on team/platform approval, PR here. To review, please see the above screenshots. Thanks!