change default auth encryption to argon2id instead of bcrypt

.env.dist

@@ -17,7 +17,7 @@ REDIS_PORT=6379
 
 # AUTH
 # encryption algorithm : BCRYPT / ARGON2I / ARGON2D / ARGON2ID
-ENCRYPTION_ALGORITHM=BCRYPT
+ENCRYPTION_ALGORITHM=ARGON2ID
 
 # CARPOOL
 # default carpool departure time margin (in seconds)

src/config/auth.config.ts

@@ -6,5 +6,5 @@ export interface AuthConfig extends Config {
 }
 
 export default registerAs('auth', () => ({
-  encryptionAlgorithm: process.env.ENCRYPTION_ALGORITHM ?? 'BCRYPT',
+  encryptionAlgorithm: process.env.ENCRYPTION_ALGORITHM ?? 'ARGON2ID',
 }));