Add Status filter to GCPT and improve performances

[davide-f]

Closes #153

Change proposed in this Pull Request

• Adds a filtering on the status column for GCPT database, similarly to the other GEM databases
• Restore a missing technology-specification for the GWPT database
• Revise the ordering of selected replacing in GEM databases to improve perfomances: the assign/replace are performed after the filtering

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Other

Checklist

• I have added a note to release notes doc/release_notes.rst.
• I have used pre-commit run --all to lint/format/check my contribution
• I have documented the effects of my code changes in the documentation doc/.
• I have adjusted the docstrings in the code appropriately.

[davide-f]

@stuenergy FYI

[davide-f]

Hello :)
Are there updates here? @FabianHofmann not sure who I should talk to now

[FabianHofmann]

Hey @davide-f looks all good, you can merge. Thanks for pinging me, it wasn't on my radar

[davide-f]

Fantastic! many thanks. It may be good to push a minor release too, what do you think?

[FabianHofmann]

yeah sure :) should I do it?

[davide-f]

yeah sure :) should I do it?

If you can do it easily feel free to do it, or let's coordinate ;)

[davide-f]

Done :) I guessed you were busy