Update Nginx and OpenJDK versions

[bwesolowski]

Signed-off-by: Bartłomiej Wesołowski bartlomiej.wesolowski@relativity.com

🔩 Description: What code changed, and why?

• Updated Nginx version in automate-es-gateway and automate-load-balancer from 1.19.2 to 1.21.3 to fix security vulnerability

• Updated OpenJDK version in automate-openjdk from 11.0.10 to 11.0.12 to fix security vulnerability

⛓️ Related Resources

Vulnerability ticket for Nginx: CVE-2021-23017
Vulnerability tickets for OpenJDK: CVE-2021-2161, CVE-2021-2163

Fix for #5087
Partial fix for #4703

👍 Definition of Done

👟 How to Build and Test the Change

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[bwesolowski]

@kalroy and @vivek-yadav Since you're assigned to #5087 and #4703 would you mind taking a look at this PR?
Many thanks!

[bwesolowski]

I updated OpenJDK to 11.0.12 since 11.0.11 also had a vulnerability.

[bwesolowski]

I refactored the commits as there was an issue with DCO.
Please re-review and merge when you're ready.

[vivekshankar1]

Working properly with latest rebase from main, we can merge it. Thanks @bwesolowski