Reduce air verbosity (go-gitea#31417)

silverwind · GiteaBot · commit 3048bdc1dd10 · 2024-06-19T19:42:18.000Z
Make `air` log less. Uses the option added in air-verse/air#367.
diff --git a/.air.toml b/.air.toml
@@ -21,3 +21,6 @@ exclude_dir = [
 ]
 exclude_regex = ["_test.go$", "_gen.go$"]
 stop_on_error = true
+
+[log]
+main_only = true
