Bump r-lib/actions from 2.3.0 to 2.3.1 (#146)

Author: dependabot[bot]

.github/workflows/test.yml

@@ -21,7 +21,7 @@ jobs:
         uses: actions/checkout@v3.1.0
 
       - name: Install Pandoc
-        uses: r-lib/actions/setup-pandoc@v2.3.0
+        uses: r-lib/actions/setup-pandoc@v2.3.1
         with:
           pandoc-version: 2.19.2