Don't run upx on windows

.github/workflows/ci.yml

@@ -1,13 +1,10 @@
 name: ci
-
-on:
-  push:
-  workflow_dispatch:
-
+"on":
+  push: null
+  workflow_dispatch: null
 concurrency:
   group: ${{ github.ref }}
   cancel-in-progress: true
-
 jobs:
   build-windows:
     runs-on: windows-latest
@@ -16,31 +13,20 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
-
       - name: Install Go
         uses: actions/setup-go@v4
         with:
           go-version: "1.21"
-
       - name: Install dependencies
         run: go get ./...
-
       - name: Build
         run: go build -ldflags="-s -w" -gcflags=all="-l -B" -trimpath -buildvcs=false -v .
-
-      - name: Run UPX
-        uses: crazy-max/ghaction-upx@v3
-        with:
-          files: goqoa.exe
-
       - name: Go Test
         run: go test -v ./...
-
       - uses: actions/upload-artifact@v4
         with:
           name: windows
           path: goqoa.exe
-
   build-mac:
     runs-on: macos-latest
     env:
@@ -49,26 +35,20 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
-
       - name: Install Go
         uses: actions/setup-go@v4
         with:
           go-version: "1.21"
-
       - name: Install dependencies
         run: go get ./...
-
       - name: Build
         run: go build -ldflags="-s -w" -gcflags=all="-l -B" -trimpath -buildvcs=false -o goqoa-mac -v .
-
       - name: Go Test
         run: go test -v ./...
-
       - uses: actions/upload-artifact@v4
         with:
           name: mac
           path: goqoa-mac
-
   build-linux:
     runs-on: ubuntu-latest
     env:
@@ -77,45 +57,36 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
-
       - name: Install Go
         uses: actions/setup-go@v4
         with:
           go-version: "1.21"
-
       - name: Install dependencies
         run: |
           go get ./...
           sudo apt-get update
           sudo apt-get install -y libasound2-dev
-
       - name: Build
         run: |
           go build -ldflags="-s -w" -gcflags=all="-l -B" -trimpath -buildvcs=false -o goqoa-linux -v .
           upx --best goqoa-linux
-
       - name: Go Test
         run: go test -v ./...
-
       - name: Cache large spec pack
         uses: actions/cache@v3
         with:
           key: qoa_test_samples_2023_02_18.zip
           path: qoa_test_samples_2023_02_18.zip
-
       - name: Download large spec pack
         run: wget --timestamping https://qoaformat.org/samples/qoa_test_samples_2023_02_18.zip
-
       - name: Spec Test
         run: |
           sudo cp goqoa-linux /usr/bin/goqoa
           bash check_spec.sh
-
       - uses: actions/upload-artifact@v4
         with:
           name: linux
           path: goqoa-linux
-
   release:
     if: startsWith(github.ref, 'refs/tags/')
     needs:
@@ -124,14 +95,11 @@ jobs:
       - build-linux
     permissions:
       contents: write
-
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
-
       - uses: actions/download-artifact@v4
-
       - name: Release
         uses: softprops/action-gh-release@v1
         with: