Adds locale to workflow

Author: aaronzi

.github/workflows/test-javadoc.yml

@@ -33,5 +33,10 @@ jobs:
           java-version: '17'
           distribution: 'adopt'
           cache: maven
+      - name: Set locale
+        run: sudo apt-get update && sudo apt-get install -y locales && sudo locale-gen en_US.UTF-8
       - name: Validate Javadoc
         run: mvn package -DskipTests javadoc:javadoc
+        env:
+          LANG: en_US.UTF-8
+          LC_ALL: en_US.UTF-8