remove "" for rust version

Author: molpopgen

.github/workflows/valgrind.yml

@@ -13,7 +13,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         rust:
-          - "1.82.0"
+          - 1.82.0
     steps:
       - name: Cancel Previous Runs
         uses: styfle/[email protected]