Student or Learner
I want to say 'Since technologies changing relentlessly, persistent learning is the key to my success.'
Can I also say 'With relentless upgrading technologies, persistent learning is the key to my success.'?
Since technologies change/are changing relentlessly would work better than your example.
I always keep up with the latest technological advances, so I don't get behind.
I am always current with the latest technological advances.
(There aren't that many ways to say it.)