Revert "Embed upload_action"

This reverts commit 7b5da25.

.github/actions/upload_build/action.yml

@@ -0,0 +1,19 @@
+name: Upload binary
+description: Uploads a compiled binary
+inputs:
+  SOURCE_FILE:
+    description: 'Path to file to upload'
+    required: true
+    type: string
+  DEST_NAME:
+    description: 'Name to use for the uploaded artifact'
+    required: true
+    type: string
+
+runs:
+  using: "composite"
+  steps:
+    - uses: actions/upload-artifact@v4
+      with:
+        name: ${{ inputs.DEST_NAME }}
+        path: ${{ inputs.SOURCE_FILE }}

.github/workflows/maven.yml

@@ -40,8 +40,8 @@ jobs:
         MAVEN_PASSWORD: ${{ secrets.SECRET_TOKEN }}
         GITHUB_TOKEN: ${{ secrets.SECRET_TOKEN }}
 
-    - uses: actions/upload-artifact@v4
+    - uses: ./.github/actions/upload_build
       if: ${{ always() && steps.compile.outcome == 'success' }}
       with:
-        name: 'target/client.jar'
-        path: 'client.jar'
+        SOURCE_FILE: 'target/client.jar'
+        DEST_NAME: 'client.jar'