fix GitHub CI workflow

.github/workflows/build.yml

@@ -2,7 +2,7 @@ name: Build furnace
 
 on:
   push:
-    branches: [master, 0.6-fixes-real, asio]
+    branches: [master, 0.6-fixes-real]
   pull_request:
     branches: master
 
@@ -226,7 +226,7 @@ jobs:
         mkdir ${{ steps.package-identify.outputs.filename }}
         pushd ${{ steps.package-identify.outputs.filename }}
 
-        cp -v ../LICENSE LICENSE.txt
+        cp -v ../LICENSE.GPLv3 LICENSE.txt
         cp -v ../res/releaseReadme/unstable-win.txt README.txt
         cp -vr ../po/locale locale
         cp -vr ../papers ../${binPath}/furnace.exe ./
@@ -261,7 +261,7 @@ jobs:
         sync
 
         echo "copying extra stuff"
-        cp -v ../LICENSE new/LICENSE.txt
+        cp -v ../LICENSE.GPLv2 new/LICENSE.txt
         cp -v ../res/releaseReadme/stable-mac.txt new/README
         cp -v -r ../demos new/demos
         cp -v -r ../instruments new/instruments
@@ -316,7 +316,7 @@ jobs:
 
         cd ..
 
-        cp ../../LICENSE .
+        cp ../../LICENSE.GPLv2 .
         cp ../../res/releaseReadme/unstable-other.txt .
         cp -r ../../papers papers
         rmdir usr
@@ -328,7 +328,7 @@ jobs:
         tar -zcv -f ../${{ steps.package-identify.outputs.filename }} furnace
 
     - name: Upload artifact
-      if: ${{ github.repository == 'tildearrow/furnace' && github.ref_name == 'asio' }}
+      if: ${{ github.repository == 'tildearrow/furnace' && github.ref_name == 'master' }}
       uses: actions/upload-artifact@v4.3.0
       with:
         name: ${{ steps.package-identify.outputs.id }}