Update update-monthly-delays-chart.yaml

.github/workflows/update-monthly-delays-chart.yaml

@@ -58,6 +58,7 @@ jobs:
         sudo apt-get install pandoc
         sudo apt-get install -y r-cran-rcpp r-cran-rcpptoml r-cran-dplyr r-cran-readr r-cran-lubridate r-cran-reticulate r-cran-tidyr r-cran-htmlwidgets
         R_LIB_PATH=$(Rscript -e 'cat(.libPaths()[1])')
+        echo "R_LIBS_USER=$R_LIB_PATH:/usr/lib/R/site-library:/usr/local/lib/R/site-library" >> $GITHUB_ENV
         # sudo Rscript -e "install.packages(c('dplyr', 'readr', 'lubridate', 'reticulate', 'tidyr', 'highcharter', 'htmlwidgets', 'pandoc'), lib='$R_LIB_PATH', repos='https://cloud.r-project.org/')"
         sudo Rscript -e "install.packages(c('highcharter'), lib='$R_LIB_PATH', repos='https://cloud.r-project.org/')"