Pull request ElementsProject/lightning#4542

CI: give nicer names to Ci runners, split non-valgrind DF due to chronic timeouts

6711
6712
6755
6756
6758
6760
6771
6772
6778

Range Diff Matrix


6711..6712
6711..6755	6712..6755
6711..6756	6712..6756	6755..6756
6711..6758	6712..6758	6755..6758	6756..6758
6711..6760	6712..6760	6755..6760	6756..6760	6758..6760
6711..6771	6712..6771	6755..6771	6756..6771	6758..6771	6760..6771
6711..6772	6712..6772	6755..6772	6756..6772	6758..6772	6760..6772	6771..6772
6711..6778	6712..6778	6755..6778	6756..6778	6758..6778	6760..6778	6771..6778	6772..6778