fix installer-ci bugs

.github/workflows/release.yml

@@ -403,7 +403,7 @@ jobs:
         if: ${{ always() }}
         run: security delete-keychain $RUNNER_TEMP/notarization.keychain-db
       - name: Add possible alpha/beta tags to installer name
-        run: mv Cryptomator-*.dmg Cryptomator-${{ needs.metadata.outputs.versionStr }}.msi
+        run: mv Cryptomator-*.dmg Cryptomator-${{ needs.metadata.outputs.versionStr }}.dmg
       - name: Upload mac-dmg
         uses: actions/upload-artifact@v2
         with:
@@ -474,7 +474,7 @@ jobs:
           timestampUrl: 'http://timestamp.digicert.com'
           folder: installer
       - name: Add possible alpha/beta tags to installer name
-        run: mv Cryptomator-*.msi Cryptomator-${{ needs.metadata.outputs.versionStr }}.msi
+        run: mv installer/Cryptomator-*.msi installer/Cryptomator-${{ needs.metadata.outputs.versionStr }}.msi
       - name: Upload win-msi
         uses: actions/upload-artifact@v2
         with: