Update workflows

Author: HaHaWTH

.github/workflows/dev-build.yml

@@ -37,4 +37,4 @@ jobs:
       - uses: actions/upload-artifact@v2
         with:
           name: Beast-JDK8
-          path: beast-paperclip.jar
+          path: ./Beast-Server/target/beast-1.12.2.jar

.github/workflows/pr-build.yml

@@ -34,4 +34,4 @@ jobs:
       - uses: actions/upload-artifact@v2
         with:
           name: Beast-PR${{ github.event.pull_request.number }}-JDK8
-          path: beast-paperclip.jar
+          path: ./Beast-Server/target/beast-1.12.2.jar

.github/workflows/release.yml

@@ -56,6 +56,6 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: beast-paperclip.jar
+          asset_path: ./Beast-Server/target/beast-1.12.2.jar
           asset_name: beast-paperclip.jar
           asset_content_type: application/zip