[CI] writable permissions for nix db

4 jobs for 483-dev-corenlp-in-nix-flake in 144 minutes and 58 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Cabal
passed #18745
cabal

00:21:43

 
  Stack
passed #18746
stack

00:03:02

 
  Bench
manual #18747
allowed to fail manual
bench
 
  Test
failed #18748
test

02:00:12

 
Name Stage Failure
failed
test Test The script exceeded the maximum execution time set for the job
Process already terminated
garg-test: user error (Async process quit!
Stdout:

Stderr:
error: opening lock file '/nix/var/nix/temproots/519': Permission denied
)
WARNING: step_script could not run to completion because the timeout was exceeded. For more control over job and script timeouts see: https://docs.gitlab.com/ee/ci/runners/configure_runners.html#set-script-and-after_script-timeouts
ERROR: Job failed: execution took longer than 2h0m0s seconds