Updatre appveyor.yml and main.yml

Author: sdottaka

.github/workflows/main.yml

@@ -21,7 +21,7 @@ jobs:
       run: |
         git clone https://github.com/winmerge/freeimage
         cd winimerge
-        .\BuildBin.vcmd
+        .\BuildBin.cmd
         .\BuildArc.cmd
 
     - name: Upload zip

appveyor.yml

@@ -16,4 +16,4 @@ build_script:
 
     BuildArc.cmd
 artifacts:
-- path: Dist/winimerge-*-exe.zip
+- path: Dist/winimerge-*.zip