actions: More GitHub actions (#1636)

* actions: Run in parallel

* actions: NPC stats scraper

* actions: Rename actions

* actions: Auto approve NPC stats updates

* gradle: Add tasks for different wiki scrape actions

* actions: Add item stats scraper

* actions: run scraper on a schedule (twice a week)

* actions: gradle wrapper updater

.github/workflows/gradle.yml

@@ -1,23 +0,0 @@
-name: RunelitePlus continuous integration
-
-on: [pull_request, push]
-
-jobs:
-  build:
-
-    runs-on: windows-latest
-
-    steps:
-      - uses: actions/checkout@v1
-      - name: Set up JDK 11
-        uses: actions/setup-java@v1
-        with:
-          java-version: 11
-      - name: Assembling
-        run: gradlew assemble --console=plain
-      - name: Building
-        run: gradlew build --stacktrace -x test -x checkstyleMain --console=plain
-      - name: Testing
-        run: gradlew test --stacktrace --console=plain
-      - name: Checking code conventions
-        run: gradlew checkstyleMain --console=plain