Update mysql-connector-java to 8.0.16+ to fix 3 CVEs

[php-coder]

Changelogs:

• 8.0.12 (see PR Bump mysql-connector-java from 5.1.46 to 8.0.12 #952)
• 8.0.13
  • CVE-2018-3258: GHSA-4vrv-ch96-6h42
• 8.0.14
• 8.0.15
• 8.0.16
  • CVE-2019-2692: GHSA-jcq3-cprp-m333
• 8.0.17
• 8.0.18
• 8.0.19
• 8.0.20
• 8.0.21
• 8.0.22
• 8.0.23
• 8.0.24
• 8.0.25
• 8.0.26
• 8.0.27
• 8.0.28
  • CVE-2022-21363: GHSA-g76j-4cxx-23h9
• 8.0.29
• 8.0.30
• 5.1 -> 8 migration (https://docs.oracle.com/cd/E17952_01/connector-j-8.0-en/connector-j-api-changes.html)

See also: #1184