adj lint.yml due to deprecation re: linters_with_defaults()

Author: pdwaggoner

.github/workflows/lint.yml

@@ -20,7 +20,7 @@ jobs:
         run: |
           R -e 'library(lintr)
           lint_dir(
-            linters = with_defaults(
+            linters = linters_with_defaults(
               line_length_linter = line_length_linter(80),
               object_name_linter = object_name_linter(styles = c("snake_case", "camelCase")),
               assignment_linter = assignment_linter(),