Log Message:
sysutils/onefetch: update to 2.8.0

-[language] added support for VimScript @geeseven
-[language] added support for Vala @geeseven
-[language] added support for Processing @Luke-zhang-04
-[misc] new CLI flag to hide logo if terminal size is too narrow @Luke-zhang-04
-[misc] new CLI flag to output in JSON format @HallerPatrick
-[misc] exclude .git folder when computing repo size @HallerPatrick
-[info] replace git sys calls with git2-rs calls @HallerPatrick
-[info] added pub as another package manager for dart projects @HallerPatrick