py-functionalizer: simplify dependencies.

[matz-e]

See spack#44257. Should help our ☁️ builds.

[github-actions]

There are one or more issues with the title of this PR.
There are one or more issues with the commit message of commit c1edb78.
Commit message:

        > functionalizer: simplify dependencies.

See spack#44257. Should help our ☁️ builds.

Please satisfy at least one of the checks (one package, docs, or deploy).
The PR title must be compliant. The commit message of your commit must be compliant as well.
Issues:

• The following packages were changed but not mentioned:
  py-functionalizer:
  You can simply use the above list, then explain what you changed.
  Alternatively, you can use one line per package to describe the change per package.
  Please mention at least one package.

• The following packages were changed but not mentioned:
  py-functionalizer:
  You can simply use the above list, then explain what you changed.
  Alternatively, you can use one line per package to describe the change per package.
  Please mention at least one package.

[github-actions]

      There are one or more issues with the commit message of commit c1edb78f9c35700d061b13290d5edefc86999da9.
      Commit message:

        > functionalizer: simplify dependencies.

See spack#44257. Should help our ☁️ builds.

Please satisfy at least one of the checks (one package, docs, or deploy).
The PR title must be compliant. The commit message of your commit must be compliant as well.
Issues:

• The following packages were changed but not mentioned:
  py-functionalizer:
  You can simply use the above list, then explain what you changed.
  Alternatively, you can use one line per package to describe the change per package.
  Please mention at least one package.

[bbpbuildbot]

Thank you for your pull request!

Should you want to clear the PR build directory after failures, please use this pipeline. Before running the cleanup pipeline, please ensure that any PR building pipelines have been cancelled or finished running.

[bbpbuildbot]

To test your PR, use the following on BlueBrain5:

unset MODULEPATH
. /gpfs/bbp.cscs.ch/ssd/apps/bsd/pulls/2504/config/modules.sh
module load unstable

Please test the following updated modules:

• py-functionalizer/1.0.0