Reduce air verbosity (#31417)

[GiteaBot]

Backport #31417 by @silverwind

Make air log less. Uses the option added in air-verse/air#367. make watch now looks like this:

$ make watch
npm install --no-save
GITEA_RUN_MODE=dev go run github.com/air-verse/air@v1 -c .air.toml

added 11 packages, removed 4 packages, and changed 73 packages in 2s
NODE_ENV=development npx webpack --watch --progress

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