[GHC] Batch modify: #15344, #15340, #15338, #15337, #15336, #15328, ...

[GHC]

Batch modification to #15344, #15340, #15338, #15337, #15336, #15328, #15327, #15326, #15322, #15320, #15313, #15312, #15309, #15298, #15297, #15295, #15291, #15288, #15283, #15277, #15272, #15270, #15258, #15257, #15253, #15252, #15251, #15250, #15249, #15248, #15247, #15241, #15227, #15220, #15219, #15211 by osa1:
milestone to 8.10.1

Comment:
Bumping milestones of low-priority tickets.

-- 
Tickets URL: <http://ghc.haskell.org/trac/ghc/query?id=15344%2C15340%2C15338%2C15337%2C15336%2C15328%2C15327%2C15326%2C15322%2C15320%2C15313%2C15312%2C15309%2C15298%2C15297%2C15295%2C15291%2C15288%2C15283%2C15277%2C15272%2C15270%2C15258%2C15257%2C15253%2C15252%2C15251%2C15250%2C15249%2C15248%2C15247%2C15241%2C15227%2C15220%2C15219%2C15211>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler