fix ci

Author: ota-meshi

.circleci/config.yml

@@ -41,6 +41,9 @@ jobs:
           name: Versions
           command: npm version
       - checkout
+      - run:
+          name: Uninstall @stylistic/eslint-plugin
+          command: npm uninstall -D @stylistic/eslint-plugin
       - run:
           name: Install eslint@6
           command: |
@@ -59,6 +62,9 @@ jobs:
           name: Versions
           command: npm version
       - checkout
+      - run:
+          name: Uninstall @stylistic/eslint-plugin
+          command: npm uninstall -D @stylistic/eslint-plugin
       - run:
           name: Install eslint@7
           command: |
@@ -77,6 +83,9 @@ jobs:
           name: Versions
           command: npm version
       - checkout
+      - run:
+          name: Uninstall @stylistic/eslint-plugin
+          command: npm uninstall -D @stylistic/eslint-plugin
       - run:
           name: Install @typescript-eslint/parser@4 eslint@7 [email protected]
           command: |