Switch to docker 26.0.0

What does this MR do?

Docker 20.10 is no longer guaranteed to receive security patches as its EOL was 2023-DEC. The latest major version of Docker is now 26.x, and is guaranteed to have support for 2 years, so we switch to it here.

What are the relevant issue numbers?

NONE

Does this MR meet the acceptance criteria?

• Tests added for this feature/bug
  • Tested by running image builds for Convert image to be ubi-micro based (gitlab-org/cloud-native/distroless/gemnasium!1) • Vasant Tokale • 17.0