ci: Rename build folder only on non-mainline builds

.ci/scripts/windows/upload.sh

@@ -6,8 +6,14 @@ REV_NAME="yuzu-windows-mingw-${GITDATE}-${GITREV}"
 ARCHIVE_NAME="${REV_NAME}.tar.gz"
 COMPRESSION_FLAGS="-czvf"
 
-mkdir "$REV_NAME"
+if [ "${RELEASE_NAME}" = "mainline" ]; then
+    DIR_NAME="${REV_NAME}"
+else
+    DIR_NAME="${REV_NAME}_${RELEASE_NAME}"
+fi
+
+mkdir "$DIR_NAME"
 # get around the permission issues
-cp -r package/* "$REV_NAME"
+cp -r package/* "$DIR_NAME"
 
 . .ci/scripts/common/post-upload.sh