v1.6.2

* SECURITY
  * Sanitize uploaded file names (#5571) (#5573)
  * HTMLEncode user added text (#5570) (#5575)
* BUGFIXES
  * Fix indexer reindex bug when gitea restart (#5563) (#5564)
  * Remove a double slash in the HTTPS redirect with Let's Encrypt (#5537) (#5539)
  * Fix bug when a read perm user to edit his issue (#5516) (#5534)
  * Detect force push failure on deletion of protected branches (#5522) (#5531)
  * Let's Encrypt handler listens on correct port for certificate validation (#5525) (#5527)
  * Fix forgot deletion of notification when delete repository (#5506) (#5514)
  * Fix undeleted content when deleting user (#5429) (#5509)
  * Fix empty wiki (#5504) (#5508)
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