Update mysql to el9 version

[pavannd1]

Change Overview

We updated mysql-sidecar to ubi9 base image but not the MySQL version. This PR fixes that by updating the MySQL version
Before:

[root@ccc4b4dbe66c /]# mysqldump --version
mysqldump: error while loading shared libraries: libssl.so.1.1: cannot open shared object file: No such file or directory

After:

[root@81ce7d45cff1 /]# mysqldump --version
mysqldump  Ver 8.0.31 for Linux on x86_64 (MySQL Community Server - GPL)

Pull request type

Please check the type of change your PR introduces:

• 🚧 Work in Progress
• 🌈 Refactoring (no functional changes, no api changes)
• 🐹 Trivial/Minor
• 🐛 Bugfix
• 🌻 Feature
• 🗺️ Documentation
• 🤖 Test

Issues

• fixes #issue-number

Test Plan

• 💪 Manual
• ⚡ Unit test
• 💚 E2E

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