fix windows build with multiple visual studio installations

frontend/scripts/makefile/env.toml

@@ -8,11 +8,18 @@ dependencies=["check_duckscript_installation", "check_visual_studio_installation
 script = """
 output = exec powershell -Command "Get-CimInstance MSFT_VSInstance | select -ExpandProperty Version"
 stdout = set ${output.stdout}
-pos = last_indexof ${stdout} .
-new_str = substring ${stdout} 0 ${pos}
-# TODO: will raise error if there are more than 1 visual studio installation
-newer = semver_is_newer ${new_str} 16.11.0
-assert ${newer} "Visual studio 2019 is not installed or version is lower than 16.11.0"
+versions = split ${stdout} "\\n"
+for version in ${versions}
+    pos = last_indexof ${version} .
+    new_str = substring ${version} 0 ${pos}
+    newer = semver_is_newer ${new_str} 16.11.0
+    if newer
+        goto :ok
+    end
+end
+echo "Visual studio 2019 is not installed or version is lower than 16.11.0"
+exit -1
+:ok
 """
 script_runner = "@duckscript"