NOTICKET: use the testing variant of the nmodl package

[heerener]

Requires https://github.com/BlueBrain/spack/pull/2441

[bbpbuildbot]

Logfiles from GitLab pipeline #211684 (:no_entry:) have been uploaded here!

Status and direct links:

• :white_check_mark: spack_setup
• :no_entry: build:intel
• :no_entry: build:nvhpc
• :fast_forward: test:intel
• :fast_forward: test:nvhpc

[bbpbuildbot]

Logfiles from GitLab pipeline #212025 (:no_entry:) have been uploaded here!

Status and direct links:

• :white_check_mark: spack_setup
• :no_entry: build:intel
• :no_entry: build:nvhpc
• :fast_forward: test:intel
• :fast_forward: test:nvhpc

[bbpbuildbot]

Logfiles from GitLab pipeline #212178 (:no_entry:) have been uploaded here!

Status and direct links:

• :white_check_mark: spack_setup
• :white_check_mark: build:intel
• :white_check_mark: build:nvhpc
• :white_check_mark: test:intel
• :white_check_mark: test:nvhpc

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.32%. Comparing base (322bbf0) to head (ffb363f). Report is 1 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1268 +/- ## ======================================= Coverage 86.32% 86.32% ======================================= Files 175 175 Lines 13219 13219 ======================================= Hits 11411 11411 Misses 1808 1808 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.