fix(git): use less aggressive language for description (#2591)

Author: Tyriar

src/git.ts

@@ -4026,7 +4026,7 @@ const daemonServices: Fig.Suggestion[] = [
 
 const completionSpec: Fig.Spec = {
   name: "git",
-  description: "The stupid content tracker",
+  description: "Distributed version control system",
   generateSpec: async (_, executeShellCommand) => {
     const { stdout } = await executeShellCommand({
       command: "git",