[Record] tket 2.7.0, 2.8.0, and 2.9.x do not free memory leading to Benchpress crash

[nonhermitian]

It appears that tket 2.7.0, 2.8.0 and 2.9.1 do not free it memory in some portion of the code, leading to eventual crash of the Benchpress runner.

[nonhermitian]

Updated record to include 2.8.0 in versions that do not free memory

[nonhermitian]

Added 2.7.0 to the list as well. Last working version is 2.6.0

[nonhermitian]

Same holds for up to version 2.9.3