ci: use ubuntu-platform github runner hardware for all github actions

[lklimek]

Issue being fixed or feature implemented

Docker images and drive-abci tests are run using ubuntu-platform-4x instances that are configured to use c7gd.4xlarge aws instances. Others use c7gd.2xlarge.This causes the following issues:

• pipelines don't even start for multiple hours due to low availability of c7gd.4xlarge instances on the region we use,
• 4x costs are higher than 2x

What was done?

As a workaround, we use ubuntu-platform (c7gd.2xlarge) for all types of jobs.

How Has This Been Tested?

Run GHA pipelines.

Breaking Changes

None

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated relevant unit/integration/functional/e2e tests
• I have added "!" to the title and described breaking changes in the corresponding section if my code contains any
• I have made corresponding changes to the documentation if needed

For repository code-owners and collaborators only

• I have assigned this pull request to a milestone