fix: client-authentication-method 변경 (#376)

Author: Ssamssamukja

clokey-api/src/main/resources/application-dev.yml

@@ -54,7 +54,7 @@ spring:
             client-secret: ${APPLE_CLIENT_SECRET}
             redirect-uri: ${APPLE_REDIRECT_URI}
             authorization-grant-type: authorization_code
-            client-authentication-method: private_key_jwt
+            client-authentication-method: client_secret_post
             scope:
               - openid
             provider: apple

clokey-api/src/main/resources/application-local.yml

@@ -54,7 +54,7 @@ spring:
             client-secret: ${APPLE_CLIENT_SECRET}
             redirect-uri: ${APPLE_REDIRECT_URI}
             authorization-grant-type: authorization_code
-            client-authentication-method: private_key_jwt
+            client-authentication-method: client_secret_post
             scope:
               - openid
             provider: apple

clokey-api/src/main/resources/application-prod.yml

@@ -54,7 +54,7 @@ spring:
             client-secret: ${APPLE_CLIENT_SECRET}
             redirect-uri: ${APPLE_REDIRECT_URI}
             authorization-grant-type: authorization_code
-            client-authentication-method: private_key_jwt
+            client-authentication-method: client_secret_post
             scope:
               - openid
             provider: apple