I am getting error connecting rds to strapi on my local windows machine

Question

the error I am getting is as follows
enter image description here

the database.js file is as follows
'''js

const path = require("path");
module.exports = ({ env }) => ({
  connection: {
    client: "postgres",
    connection: {
      host: env("DB_HOST", "127.0.0.1"),
      port: env.int("DB_PORT", 5432),
      database: env("DB_NAME", "strapi"),
      user: env("DB_USERNAME", ""),
      password: env("DB_PASSWORD", ""),
    },
    useNullAsDefault: true,
  },
});

'''
plugin.js file as follows
'''js

module.exports = ({ env }) => ({
  graphql: {
    enabled: true,
    config: {
      // set this to true if you want to enable the playground in production
      playgroundAlways: true,
    },
  },
  upload: {
    provider: "aws-s3",
    providerOptions: {
      accessKeyId: env("AWS_ACCESS_KEY_ID"),
      secretAccessKey: env("AWS_SECRET_ACCESS_KEY"),
      region: env("AWS_REGION", ""),
      params: {
        Bucket: env("AWS_BUCKET_NAME"),
      },
    },
    actionOptions: {
      upload: {
        ACL: null,
      },
      uploadStream: {
        ACL: null,
      },
    },
  },
});

'''

I tried all the methods which makes rds publically accessible, tried changing security group inbound and outbound but nothing worked out