Update mysql

Changes:

- https://github.com/docker-library/mysql/commit/234befe: Update to 8.0.22-1debian10
- https://github.com/docker-library/mysql/commit/37834b4: Update to 5.6.50-1debian9
- https://github.com/docker-library/mysql/commit/c0dc027: Update to 5.7.32-1debian10
- https://github.com/docker-library/mysql/commit/8e67355: Merge pull request https://github.com/docker-library/mysql/pull/715 from infosiftr/initializaed
- https://github.com/docker-library/mysql/commit/2e18165: Fix typo ("initializaed")

library/mysql

@@ -4,14 +4,14 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/mysql.git
 
-Tags: 8.0.21, 8.0, 8, latest
-GitCommit: 285fd39122e4b04fbe18e464deb72977df9c6a45
+Tags: 8.0.22, 8.0, 8, latest
+GitCommit: 234befee1071c0cd292f2392895d13ee94ce2a02
 Directory: 8.0
 
-Tags: 5.7.31, 5.7, 5
-GitCommit: 285fd39122e4b04fbe18e464deb72977df9c6a45
+Tags: 5.7.32, 5.7, 5
+GitCommit: c0dc027ceb83f9daba6b8f5fbc69dac33feed174
 Directory: 5.7
 
-Tags: 5.6.49, 5.6
-GitCommit: 285fd39122e4b04fbe18e464deb72977df9c6a45
+Tags: 5.6.50, 5.6
+GitCommit: 37834b44af39889eeba57452a404f12b5882a408
 Directory: 5.6