workspace:chore - iterate on workflow

Author: squidfunk

.github/workflows/check.yml

@@ -46,7 +46,7 @@ jobs:
         run: cargo clippy
 
       - name: Run rustfmt
-        run: rustfmt crates/**/*.rs --check
+        run: cargo fmt --check --all
 
   security:
     name: Security audit

.rustfmt.toml

@@ -21,6 +21,7 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 # IN THE SOFTWARE.
 
+edition = "2021"
 fn_params_layout = "compressed"
 max_width = 80
 struct_lit_width = 30