ci: fix deprecated usage

Author: CanadaHonk

.github/workflows/nightly.yml

@@ -29,7 +29,7 @@ jobs:
  npx asar pack src app.asar
 
  - name: Upload artifact
- uses: actions/upload-artifact@v2
+ uses: actions/upload-artifact@v4
  with:
  name: built-asar
  path: app.asar
@@ -46,7 +46,7 @@ jobs:
  - uses: actions/checkout@v2
 
  - name: Retrieve artifact
- uses: actions/download-artifact@v2
+ uses: actions/download-artifact@v4
  with:
  name: built-asar
  path: artifact
@@ -84,7 +84,7 @@ jobs:
  node-version: 16.x
 
  - name: Retrieve artifact
- uses: actions/download-artifact@v2
+ uses: actions/download-artifact@v4
  with:
  name: built-asar
  path: artifact
@@ -134,7 +134,7 @@ jobs:
  - uses: actions/checkout@v2
 
  - name: Retrieve artifact
- uses: actions/download-artifact@v2
+ uses: actions/download-artifact@v4
  with:
  name: built-asar
  path: artifact
@@ -229,4 +229,4 @@ jobs:
  # cd discord/app-1.0.0
  # ./DiscordCanary.exe --enable-logging
  # timeout-minutes: 5
- # shell: bash
+ # shell: bash