Add DE Proxy (#1678)

Co-authored-by: Suchintan Singh <suchintansingh@gmail.com>
Co-authored-by: Suchintan <suchintan@users.noreply.github.com>

skyvern-frontend/src/api/types.ts

@@ -37,6 +37,7 @@ export const ProxyLocation = {
   ResidentialJP: "RESIDENTIAL_JP",
   ResidentialGB: "RESIDENTIAL_GB",
   ResidentialFR: "RESIDENTIAL_FR",
+  ResidentialDE: "RESIDENTIAL_DE",
   None: "NONE",
 } as const;