docs(swift): rename authStateChanges and remove File from upload method (supabase#19067)

docs: fix authStateChanges and upload documentation

Author: grdsdev

spec/supabase_swift_v1.yml

@@ -415,25 +415,25 @@ functions:
  let session = try await supabase.auth.refreshSession(refreshToken: "custom-refresh-token")
  ```
  - id: on-auth-state-change
- title: "onAuthStateChange()"
+ title: "authStateChanges"
  notes: |
  - Types of auth events: `INITIAL_SESSION`, `SIGNED_IN`, `SIGNED_OUT`, `TOKEN_REFRESHED`, `USER_UPDATED`, `PASSWORD_RECOVERY`, `MFA_CHALLENGE_VERIFIED`
- - The `INITIAL_SESSION` can be used to allow you to invoke the callback function when `onAuthStateChange` is first called.
+ - The `INITIAL_SESSION` can be used to allow you to invoke the callback function when `authStateChanges` is first called.
  examples:
  - id: listen-to-auth-changes
  name: Listen to auth changes
  isSpotlight: true
  code: |
  ```swift
- for await (event, session) in await supabase.auth.onAuthStateChange() {
+ for await (event, session) in await supabase.auth.authStateChanges {
  print(event, session)
  }
  ```
  - id: list-to-a-specific-event
  name: Listen to a specific event
  code: |
  ```swift
- for await (_, session) in await supabase.auth.onAuthStateChange().filter({ $0.event == .signedIn }) {
+ for await (_, session) in await supabase.auth.authStateChanges.filter({ $0.event == .signedIn }) {
  // handle signIn event.
  }
  ```
@@ -3182,18 +3182,11 @@ functions:
  ```swift
  let fileName = "avatar1.png"
 
- let file = File(
- name: fileName,
- data: fileData,
- fileName: fileName,
- contentType: "image/png"
- )
-
  try await supabase.storage
  .from("avatars")
  .upload(
  path: "public/\(fileName)",
- file: file,
+ file: fileData,
  fileOptions: FileOptions(
  cacheControl: "3600",
  upsert: false
@@ -3216,18 +3209,11 @@ functions:
  ```swift
  let fileName = "avatar1.png"
 
- let file = File(
- name: fileName,
- data: fileData,
- fileName: fileName,
- contentType: "image/png"
- )
-
  try await supabase.storage
  .from("avatars")
  .update(
  path: "public/\(fileName)",
- file: file,
+ file: fileData,
  fileOptions: FileOptions(
  cacheControl: "3600",
  upsert: true