fix: R CMD BUILD of vignettes #12

Job	Run time
Coverage report / test-coverage-internal	3m 27s
Check current version / macos-latest (release)	3m 34s
Check NN version / macos-latest (R 4.3.1, 2023-10-25)	3m 0s
Check current version / windows-latest (release)	4m 59s
Check NN version / macos-latest (R 4.4.1, 2024-08-06)	3m 8s
Check current version / ubuntu-latest (devel)	12m 38s
Check NN version / windows-latest (R 4.3.1, 2023-10-25)	5m 57s
Check current version / ubuntu-latest (release)	3m 57s
Check NN version / windows-latest (R 4.4.1, 2024-08-06)	4m 7s
Check current version / ubuntu-latest (oldrel-1)	3m 58s
Check NN version / ubuntu-latest (R 4.3.1, 2023-10-25)	16m 13s
Check NN version / ubuntu-latest (R 4.4.1, 2024-08-06)	14m 9s
Megalinter / MegaLinter	2m 44s
Pkgdown site / pkgdown	3m 20s
	1h 25m 11s

Provide feedback