fix(parser): properly parse eventbridge envelope when using safeParse

Currently, the EventBridgeEnvelope.safeParse method only validates, it does not parse the data provided in the typing system.
Small fix utilizing existing typing generics that weren't being assigned.

Author: jharlow

Diff for: packages/parser/src/envelopes/envelope.ts

@@ -35,7 +35,7 @@ const Envelope = {
    * @param input
    * @param schema
    */
-  safeParse<T extends ZodSchema>(input: unknown, schema: T): ParsedResult {
+  safeParse<T extends ZodSchema>(input: unknown, schema: T): ParsedResult<unknown, z.infer<T>> {
     try {
       if (typeof input !== 'object' && typeof input !== 'string') {
         return {

Diff for: packages/parser/src/envelopes/event-bridge.ts

@@ -17,7 +17,7 @@ export const EventBridgeEnvelope = {
     return Envelope.parse(EventBridgeSchema.parse(data).detail, schema);
   },
 
-  safeParse<T extends ZodSchema>(data: unknown, schema: T): ParsedResult {
+  safeParse<T extends ZodSchema>(data: unknown, schema: T): ParsedResult<unknown, z.infer<T>> {
     const parsedEnvelope = EventBridgeSchema.safeParse(data);
 
     if (!parsedEnvelope.success) {