feat: Add decimal digits and rounding info to currencies (#6991)

packages/currency/integration-tests/__tests__/currency-module-service.spec.ts

@@ -19,10 +19,12 @@ moduleIntegrationTestRunner({
               expect.objectContaining({
                 code: "cad",
                 name: "Canadian Dollar",
+                decimal_digits: 2,
               }),
               expect.objectContaining({
                 code: "usd",
                 name: "US Dollar",
+                decimal_digits: 2,
               }),
             ])
           )
@@ -116,7 +118,7 @@ moduleIntegrationTestRunner({
             {},
             {
               take: 1,
-              select: ["code"],
+              select: ["code", "rounding"],
             }
           )
 
@@ -126,6 +128,8 @@ moduleIntegrationTestRunner({
           expect(serialized).toEqual([
             {
               code: "aed",
+              rounding: 0,
+              raw_rounding: expect.any(Object),
             },
           ])
         })