CI: Tweak indentation for test-deploy.yml

Make the indentation here respect the usual two-space sized indenting
scheme.

Shout-out to savetheclocktower for noticing this.

Author: DeeDeeG

.github/workflows/test-deploy.yaml

@@ -11,16 +11,16 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-       - uses: actions/checkout@v3
-       - name: Setup Node.js
-         uses: actions/setup-node@v3
-         with:
-           node-version: '16'
-       - uses: pnpm/action-setup@v4
+      - uses: actions/checkout@v3
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '16'
+      - uses: pnpm/action-setup@v4
         with:
           version: 6.0.2
           run_install: |
             - recursive: true
               args: [--frozen-lockfile, --strict-peer-dependencies]
-       - name: Test Build
-         run: pnpm build
+      - name: Test Build
+        run: pnpm build