fix origin statement

sorry this is all pushing to GH directly, the only way i know
how to test this is to push to the branch :P so y'all get
to see me flail.

.github/workflows/rustfmt_check.yml

@@ -15,7 +15,7 @@ jobs:
 
       - name: Ensure the `main` branch rustfmt is applied for the run
         run: |
-          git fetch --no-tags --prune --no-recurse-submodules --depth=1 origin/main
+          git fetch --no-tags --prune --no-recurse-submodules --depth=1 origin main
           git checkout main rustfmt.toml
 
       - name: Run cargo +nightly fmt --check