Revert "change space to /t"

This reverts commit 0645d2c.

Author: SatinWukerORIG

.github/workflows/lint.yml

@@ -33,7 +33,7 @@ jobs:
 
       - name: Check for trailing whitespace
         run: |
-          if git grep -n '[ \t]$' -- '*.mojo' '*.md'; then
+          if git grep -n '[[:space:]]$' -- '*.mojo' '*.md'; then
             echo "Error: Trailing whitespace found"
             exit 1
           fi