build-and-deploy: rebase DLL addresses only for _MSYS_ i686 builds

The infamous DLL address problem only exists for the MSYS DLLs, and
therefore we do not need to take care of them when building MINGW
packages.

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

.github/workflows/build-and-deploy.yml

@@ -132,7 +132,7 @@ jobs:
           & ("${{ steps.setup-sdk.outputs.result }}\update-via-pacman.ps1")
 
       - name: rebase `.dll` base addresses
-        if: env.ARCHITECTURE == 'i686'
+        if: env.ARCHITECTURE == 'i686' && env.REPO == 'MSYS2-packages'
         shell: powershell
         run: |
           if (Test-Path D:\git-sdk-32-full -PathType Container) {