actions: Fix actions

.github/workflows/gradle.yml

@@ -12,6 +12,10 @@ jobs:
       - uses: actions/checkout@v1
       - name: Make gradlew executable
         run: chmod +x ./gradlew
+      - name: Set up JDK 11
+          uses: actions/setup-java@v1
+          with:
+            java-version: 11
       - name: Update Gradle Wrapper
         run: ./gradlew wrapper --gradle-version $(curl -s https://api.github.com/repos/gradle/gradle/releases/latest | grep -Po '"name":.*?[^\\]",' | sed -r 's/[\"name:, ]+//g') --distribution-type all --console=plain
       - name: Create Gradle wrapper update Pull Request

wiki-scraper/src/main/java/net/runelite/data/dump/wiki/NpcStatsDumper.java

@@ -218,7 +218,7 @@ public class NpcStatsDumper
 					}
 
 					final Set<Integer> ids = Arrays.stream(wikiIdString.split(","))
-						.map(s -> Integer.parseInt(s.trim()))
+						.map(s -> Integer.parseInt(s.replaceAll("[^0-9]", "").trim()))
 						.collect(Collectors.toSet());
 
 					final NpcStats stats = buildNpcStats(base, variantKey);