🐛 fix(github/workflows): fix pa11y setup

Author: ythecombinator

.github/workflows/pa11y.yml

@@ -15,16 +15,16 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Setup Node
-        uses: actions/setup-node@v1
+      - uses: actions/setup-node@v1
         with:
           node-version: 18
-        run: npm install -g yarn
-        run: yarn install --frozen-lockfile
-        run: yarn build
+      - run: npm install -g yarn
+      - run: yarn install --frozen-lockfile
+      - run: yarn build
 
       - name: Boot Next
-        run: yarn build
-        run: yarn start
+      - run: yarn build
+      - run: yarn start
 
       - name: Run pa11y-ci
         run: yarn pa11y-ci:sitemap 2>&1 | tee pa11y_output.txt