Update scalafmt-core to 3.6.1
diff --git a/.scalafmt.conf b/.scalafmt.conf
index e25303c..b3f6f01 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -13,6 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-version = "2.7.5"
+version = "3.6.1"
 maxColumn = 120
 rewrite.rules = [SortImports, RedundantBraces]