Avoid a third-party GH Actions

OpenRA PR 21805.

Author: penev92

.github/workflows/packaging.yml

@@ -32,13 +32,11 @@ jobs:
           ./packaging/linux/buildpackage.sh "${GIT_TAG}" "${PWD}/build/linux"
 
       - name: Upload Packages
-        uses: svenstaro/upload-release-action@v2
-        with:
-          repo_token: ${{ secrets.GITHUB_TOKEN }}
-          tag: ${{ github.ref }}
-          overwrite: true
-          file_glob: true
-          file: build/linux/*
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        shell: bash
+        run: |
+          gh release upload ${{ github.ref_name }} build/linux/*
 
   macos:
     name: macOS Disk Image
@@ -68,13 +66,11 @@ jobs:
           ./packaging/macos/buildpackage.sh "${GIT_TAG}" "${PWD}/build/macos"
 
       - name: Upload Package
-        uses: svenstaro/upload-release-action@v2
-        with:
-          repo_token: ${{ secrets.GITHUB_TOKEN }}
-          tag: ${{ github.ref }}
-          overwrite: true
-          file_glob: true
-          file: build/macos/*
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        shell: bash
+        run: |
+          gh release upload ${{ github.ref_name }} build/macos/*
 
   windows:
     name: Windows Installers
@@ -101,10 +97,8 @@ jobs:
           ./packaging/windows/buildpackage.sh "${GIT_TAG}" "${PWD}/build/windows"
 
       - name: Upload Packages
-        uses: svenstaro/upload-release-action@v2
-        with:
-          repo_token: ${{ secrets.GITHUB_TOKEN }}
-          tag: ${{ github.ref }}
-          overwrite: true
-          file_glob: true
-          file: build/windows/*
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        shell: bash
+        run: |
+          gh release upload ${{ github.ref_name }} build/windows/*