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?
Edited by Oscar Tovar