use piamenv::installDeps

[pascal-sauer]

Purpose of this PR

To streamline the (coupling) tests that I run before each magpie relase I pulled out the code to install magpie deps into piamenv::installDeps. This way magpie deps can already be installed before submitting a slurm job which runs the coupling tests (which then have no internet connection). piamenv::installDeps is now called after ensureRequirementsInstalled to ensure [email protected] is installed first.

Type of change

• Refactoring
• Minor change (default scenarios show only small differences)

Checklist:

• My code follows the coding etiquette
• I performed a self-review of my own code
• I explained my changes within the PR, particularly in hard-to-understand areas
• I checked that the in-code documentation is up-to-date
• I adjusted the reporting in remind2 where it was needed
• I adjusted forbiddenColumnNames in readCheckScenarioConfig.R in case the PR leads to deprecated switches
• All automated model tests pass (FAIL 0 in the output of make test)
• The changelog CHANGELOG.md has been updated correctly

Further information (optional):

• Test runs are here:
• Comparison of results (what changes by this PR?):

[dklein-pik]

Thank you