[ci] bring back stack lts image

This one seems to work with nix builds.
2 jobs for 67-dev-ci in 120 minutes and 5 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
failed #2679
docs

02:00:05

failed #2680
test

 
Name Stage Failure
failed
docs Test The script exceeded the maximum execution time set for the job
pandoc                           > [176 of 211] Compiling Text.Pandoc.Writers.Docbook
pandoc > [177 of 211] Compiling Text.Pandoc.Writers.ConTeXt
pandoc > [178 of 211] Compiling Text.Pandoc.Writers.AsciiDoc
pandoc > [179 of 211] Compiling Text.Pandoc.Readers.RST
accelerate > [ 82 of 113] Compiling Data.Array.Accelerate.Test.NoFib.Prelude.Fold
pandoc > [180 of 211] Compiling Text.Pandoc.Readers.LaTeX
accelerate > [ 83 of 113] Compiling Data.Array.Accelerate.Test.NoFib.Prelude.Filter
accelerate > [ 84 of 113] Compiling Data.Array.Accelerate.Test.NoFib.Prelude.Backpermute
ERROR: Job failed: execution took longer than 2h0m0s seconds

failed
test Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job trace