chore(release): 1.10.6 [skip ci]

## [1.10.6](https://github.com/iamkun/dayjs/compare/v1.10.5...v1.10.6) (2021-07-06)

### Bug Fixes

* add invalid date string override ([#1465](https://github.com/iamkun/dayjs/issues/1465)) ([#1470](https://github.com/iamkun/dayjs/issues/1470)) ([06f88f4](https://github.com/iamkun/dayjs/commit/06f88f425828b1ce96b737332d25145a95a4ee9d))
* add sv-fi Finland Swedish locale ([#1522](https://github.com/iamkun/dayjs/issues/1522)) ([8e32164](https://github.com/iamkun/dayjs/commit/8e32164855cff724642e24c37a631eb4c4d760c8))
* customParseFormat support parsing X x timestamp ([#1567](https://github.com/iamkun/dayjs/issues/1567)) ([eb087f5](https://github.com/iamkun/dayjs/commit/eb087f52861313b8dd8a5c1b77858665ec72859e))
* dayjs ConfigTypeMap add null & undefined ([#1560](https://github.com/iamkun/dayjs/issues/1560)) ([b5e40e6](https://github.com/iamkun/dayjs/commit/b5e40e6f16abeaea6a0facfa466d20aefaa8a444))
* Fix DayOfYear plugin when using BadMutable plugin ([#1511](https://github.com/iamkun/dayjs/issues/1511)) ([0b0c6a3](https://github.com/iamkun/dayjs/commit/0b0c6a31ec9c0aff991b0e8dd6eed116201274cc))
* Implement ordinal in Bulgarian translation (fixes [#1501](https://github.com/iamkun/dayjs/issues/1501)) ([#1502](https://github.com/iamkun/dayjs/issues/1502)) ([b728da5](https://github.com/iamkun/dayjs/commit/b728da5ed9ed08210004ed20ce5fcd52a92de7da))
* more strict delimiter in REGEX_PARSE ([#1555](https://github.com/iamkun/dayjs/issues/1555)) ([bfdab5c](https://github.com/iamkun/dayjs/commit/bfdab5c0d45a5736b68e8e1b1354fc021e05f607))
* parameter type ([#1549](https://github.com/iamkun/dayjs/issues/1549)) ([f369844](https://github.com/iamkun/dayjs/commit/f369844dd69d253c4c7cbf68150939db3db233be))
* update customParseFormat plugin to custom two-digit year parse function ([#1421](https://github.com/iamkun/dayjs/issues/1421)) ([bb5df55](https://github.com/iamkun/dayjs/commit/bb5df55cd3975dc7638b8f4e762afa470b6620f7))
* update names of weekdays and months in Bulgarian [bg] to lowercase ([#1438](https://github.com/iamkun/dayjs/issues/1438)) ([b246210](https://github.com/iamkun/dayjs/commit/b24621091fec9cf6704de21e4b323f6f0c4abbf1))
* update type file `.diff` ([#1505](https://github.com/iamkun/dayjs/issues/1505)) ([6508494](https://github.com/iamkun/dayjs/commit/6508494a4e62977b4397baaeef293d1bcf3c7235))
* update UTC plugin type file for strict parsing ([#1443](https://github.com/iamkun/dayjs/issues/1443)) ([b4f28df](https://github.com/iamkun/dayjs/commit/b4f28df219fe63202dffdbeeaec5677c4d2c9111))