docs: update references to action repository

Author: byCedric

README.md

@@ -64,7 +64,7 @@ action "Install" {
 
 action "Publish" {
   needs = "Install"
-  uses = "byCedric/ci-expo@2.2.0"
+  uses = "expo/expo-github-action@2.2.0"
   args = "publish"
   secrets = ["EXPO_CLI_USERNAME", "EXPO_CLI_PASSWORD"]
 }
@@ -101,7 +101,7 @@ action "Filter branch" {
 
 action "Publish" {
   needs = "Filter branch"
-  uses = "byCedric/ci-expo@2.2.0"
+  uses = "expo/expo-github-action@2.2.0"
   args = "publish"
   secrets = ["EXPO_CLI_USERNAME", "EXPO_CLI_PASSWORD"]
 }
@@ -134,7 +134,7 @@ action "Test" {
 
 action "Publish" {
   needs = "Test"
-  uses = "byCedric/ci-expo@2.2.0"
+  uses = "expo/expo-github-action@2.2.0"
   args = "build:web"
 }
 ```