Bump min node version to 18.20.3

See emscripten-core/emsdk#1387
See emscripten-core/emsdk#1173

.circleci/config.yml

@@ -6,7 +6,7 @@ orbs:
 executors:
   linux-node:
     docker:
-      - image: circleci/node:stretch
+      - image: cimg/node:18.20.3
   linux-python:
     docker:
       - image: cimg/python:3.10.7

src/settings.js

@@ -1905,10 +1905,11 @@ var MIN_CHROME_VERSION = 85;
 
 // Specifies minimum node version to target for the generated code.  This is
 // distinct from the minimum version required run the emscripten compiler.
-// This version aligns with the current Ubuuntu TLS 20.04 (Focal).
-// Version is encoded in MMmmVV, e.g. 181401 denotes Node 18.14.01.
+// This version aligns with the current Node LTS release, and the version
+// of node that is including with emsdk.
+// Version is encoded in MMmmVV, e.g. 181401 denotes Node 18.14.1.
 // Minimum supported value is 101900, which was released 2020-02-05.
-var MIN_NODE_VERSION = 160000;
+var MIN_NODE_VERSION = 182003;
 
 // Whether we support setting errno from JS library code.
 // In MINIMAL_RUNTIME builds, this option defaults to 0.

tools/shared.py

@@ -58,7 +58,7 @@
 # (settings.MIN_NODE_VERSION).
 # This version currently matches the node version that we ship with emsdk
 # which means that we can say for sure that this version is well supported.
-MINIMUM_NODE_VERSION = (16, 20, 0)
+MINIMUM_NODE_VERSION = (18, 20, 3)
 EXPECTED_LLVM_VERSION = 19
 
 # These get set by setup_temp_dirs