chore: release 1.0.0

[github-actions]

🤖 I have created a release *beep* *boop*

1.0.0 (2022-02-07)

⚠ BREAKING CHANGES

• initialize dialer in register func (feat!: initialize dialer in register func #73)
• rename DialerOption to Option (fix!: rename DialerOption to Option #64)

Features

• Add Close method to Dialer (#34) (91ee305)
• add concrete errors to public API (#36) (7441b71)
• add default useragent (#17) (57d7ed9)
• Add DialerOption for specifying a refresh timeout (#12) (94df7cf)
• add DialOptions for configuring Dial (#8) (e2d53ee)
• Add EngineVersion method to Dialer (#59) (6a78bfd)
• Add initial dialer (#1) (7e89552)
• add initial support for metrics (#40) (ee396ff)
• add support for configuring the HTTP client (#55) (de9e72e)
• add support for IAM DB Authn (#44) (92e28cf)
• add support for tracing (#32) (4d2acbc)
• allow for configuring the Dial func (#57) (4cb523e)
• expose Dialer and add DialerOptions (#7) (1235a9f)
• force early refresh of instance info if connect fails (#19) (eb06ae2)
• improve reliablity of refresh operations (#49) (3a52440)
• improve RSA keypair generation (#10) (e2a5238)
• initialize dialer in register func (#73) (7633cfd)
• postgres/pgxv4: add support for postgres driver (#61) (295a5dc)
• use cloud.google.com/go/cloudsqlconn (#30) (a251fd7)

Bug Fixes

• perform refresh operations asynchronously (#11) (925d6c2)
• rate limit refresh attempts per instance (#18) (1092ccc)
• rename DialerOption to Option (#64) (016a821)
• schedule refreshes based on result expiration instead of fixed interval (#21) (65073d0)
• trace: use LastValue for open connections (#58) (4ee6bea)
• use ctx for NewService (#24) (77fd677)

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