Handle change to plugin loading in recent yapsy (#3700) (#3701) #333

Job	Run time
Linting (flake8, pydocstyle) (3.11)	19s
Linting (flake8, pydocstyle) (3.11)	19s
Nikola tests (Python 3.7 on ubuntu-latest)	2m 9s
Nikola tests (Python 3.7 on ubuntu-latest)	2m 9s
Nikola tests (Python 3.8 on ubuntu-latest)	2m 49s
Nikola tests (Python 3.8 on ubuntu-latest)	2m 49s
Nikola tests (Python 3.9 on ubuntu-latest)	2m 16s
Nikola tests (Python 3.9 on ubuntu-latest)	2m 16s
Nikola tests (Python 3.10 on ubuntu-latest)	15s
Nikola tests (Python 3.10 on ubuntu-latest)	2m 35s
Nikola tests (Python 3.11 on ubuntu-latest)	2m 9s
Nikola tests (Python 3.11 on ubuntu-latest)	2m 9s
Nikola tests (Python 3.11 on macos-latest)	3m 53s
Nikola tests (Python 3.11 on macos-latest)	3m 53s
Nikola tests (Python 3.11 on windows-latest)	3m 40s
Nikola tests (Python 3.11 on windows-latest)	3m 40s
Build demo site with base requirements (3.11)	29s
Build demo site with base requirements (3.11)	29s
Baseline testing (Python 3.11 on ubuntu-latest)	41s
Baseline testing (Python 3.11 on ubuntu-latest)	41s
	39m 40s

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