tools: require more trailing commas

All of the import and export statements in the codebase already use
trailing commas, this commit adds a linter rule to enforce that.

PR-URL: https://github.com/nodejs/node/pull/46346
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Filip Skokan <panva.ip@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

benchmark/.eslintrc.yaml

@@ -7,9 +7,9 @@ env:
 rules:
   comma-dangle: [error, {
     arrays: always-multiline,
-    exports: only-multiline,
+    exports: always-multiline,
     functions: only-multiline,
-    imports: only-multiline,
+    imports: always-multiline,
     objects: only-multiline,
   }]
   prefer-arrow-callback: error

lib/.eslintrc.yaml

@@ -4,9 +4,9 @@ env:
 rules:
   comma-dangle: [error, {
     arrays: always-multiline,
-    exports: only-multiline,
+    exports: always-multiline,
     functions: only-multiline,
-    imports: only-multiline,
+    imports: always-multiline,
     objects: only-multiline,
   }]
   prefer-object-spread: error

test/.eslintrc.yaml

@@ -90,8 +90,8 @@ overrides:
     rules:
       comma-dangle: [error, {
         arrays: always-multiline,
-        exports: only-multiline,
+        exports: always-multiline,
         functions: only-multiline,
-        imports: only-multiline,
+        imports: always-multiline,
         objects: only-multiline,
       }]