Adding spec.metadata.pemContents to MySQL & MariaDB Binding

[edwardfward]

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Description

Adding spec.metadata.pemContents to MySQL & MariaDB binding spec in concert with submitted PR Adding spec.metadata.pemContents to MySQL Binding #3620 to enable SSL with Azure Container Apps Dapr bindings.

Issue reference

• Closes Add spec.metadata.pemContents to MySQL/MariaDB Binding  #4442

[hhunter-ms]

@edwardfward is this still being worked on? dapr/components-contrib#3620

[msfussell]

Closing PR since code PR closed.