Allow Inno Setup downgrade in the pipeline

Author: asfernandes

.github/workflows/main.yml

@@ -178,8 +178,7 @@ jobs:
         shell: cmd
         run: |
           for /r %%i in (*.bat) do unix2dos "%%i"
-          choco uninstall --no-progress --yes innosetup
-          choco install --no-progress --yes innosetup --version=6.4.0
+          choco install --no-progress --yes innosetup --version=6.4.0 --allow-downgrade
 
       - name: Build
         shell: cmd
@@ -230,8 +229,7 @@ jobs:
         shell: cmd
         run: |
           for /r %%i in (*.bat) do unix2dos "%%i"
-          REM choco uninstall --no-progress --yes innosetup
-          choco install --no-progress --yes innosetup --version=6.4.0
+          choco install --no-progress --yes innosetup --version=6.4.0 --allow-downgrade
 
       - name: Build
         shell: cmd