Use pip3 instead of pip in macOS deps script

MaxDesiatov · web-flow · commit a4af16c37033 · 2020-12-27T20:35:08.000Z
diff --git a/utils/webassembly/macos/install-dependencies.sh b/utils/webassembly/macos/install-dependencies.sh
@@ -2,7 +2,7 @@
 
 set -ex
 
-pip install six
+pip3 install six
 
 brew install cmake ninja llvm sccache
 
