I think GP means the SWD interface, which is a standard ARM programming/debugging connector.
I would advise against the ST-Links though as they expose a more high level protocol and don't always work with non-STM chips.
FT232H dongles make for a more versatile programmer.
The first video in the twitter thread you link to was extorted from the winning opposition candidate by senior Belarusian officials in the office of the Central Electoral Commission.
In it, she roughly says "I thought I've been hardened by this campaign and that I will handle it. But I am still the weak woman that I was initially. I made a difficult decision. God save you from the kind of choice I had to make. Take care of yourself. Kids are the most important thing that you have in life."
And indeed, the internet is completely down in Belarus. Phone network still works.
At some point in the past, she said that her kids were safe abroad, but it does not take a big country to successfully track and extort people anywhere in the world.
I believe her husband, who she has been running in the stead of after he was (unjustly) disqualified, is currently imprisoned in Belarus. That is probably one of her concerns.
This reminds me of the people who are/were working on building weapons, they are/were not aware of the context of their work, for example they were building small pieces of large weapons but not knowing the full plan.
Then you can move to Paris to have a better salary but you will also pay more for your life... You could move seriously, there are a lot of companies in Paris that are looking for developers so they will pay more than what you earn now.