Update workflow dependencies

Author: TobiasDeBruijn

Diff for: .github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
     - run: cargo build --release --target x86_64-unknown-linux-musl
       working-directory: server
     - name: Upload artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: server-x86_64-unknown-linux-musl
         path: ./server/target/x86_64-unknown-linux-musl/release/digidecs
@@ -47,7 +47,7 @@ jobs:
     - run: tar -czf frontend.tar.gz dist/*
       working-directory: frontend
     - name: Upload artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: frontend.tar.gz
         path: ./frontend/frontend.tar.gz
@@ -61,7 +61,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Download all workflow run artifacts
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
 
     - name: Create Release
       id: create_release