Update Node from 18.20.3 LTS to 20.18.0 in precompiled releases. (#1476)

Update Node from 18.20.3 LTS to 20.18.0 in precompiled releases. This
does have an effect of retroactively updating Node version also to old
releases, but this is expected to be fine.

docker/Dockerfile

@@ -63,7 +63,7 @@ COPY --from=stage_build /emsdk /emsdk
 # using `--entrypoint /bin/bash` in CLI).
 # This corresponds to the env variables set during: `source ./emsdk_env.sh`
 ENV EMSDK=/emsdk \
-    PATH="/emsdk:/emsdk/upstream/emscripten:/emsdk/node/18.20.3_64bit/bin:${PATH}"
+    PATH="/emsdk:/emsdk/upstream/emscripten:/emsdk/node/20.18.0_64bit/bin:${PATH}"
 
 # ------------------------------------------------------------------------------
 # Create a 'standard` 1000:1000 user

emsdk_manifest.json

@@ -392,30 +392,30 @@
   {
     "version": "releases-%releases-tag%",
     "bitness": 64,
-    "uses": ["node-18.20.3-64bit", "releases-%releases-tag%-64bit"],
+    "uses": ["node-20.18.0-64bit", "releases-%releases-tag%-64bit"],
     "os": "linux",
     "custom_install_script": "emscripten_npm_install"
   },
   {
     "version": "releases-%releases-tag%",
     "bitness": 64,
-    "uses": ["node-18.20.3-64bit", "python-3.9.2-64bit", "releases-%releases-tag%-64bit"],
+    "uses": ["node-20.18.0-64bit", "python-3.9.2-64bit", "releases-%releases-tag%-64bit"],
     "os": "macos",
     "arch": "x86_64",
     "custom_install_script": "emscripten_npm_install"
   },
   {
     "version": "releases-%releases-tag%",
     "bitness": 64,
-    "uses": ["node-18.20.3-64bit", "python-3.9.2-64bit", "releases-%releases-tag%-64bit"],
+    "uses": ["node-20.18.0-64bit", "python-3.9.2-64bit", "releases-%releases-tag%-64bit"],
     "os": "macos",
     "arch": "arm64",
     "custom_install_script": "emscripten_npm_install"
   },
   {
     "version": "releases-%releases-tag%",
     "bitness": 64,
-    "uses": ["node-18.20.3-64bit", "python-3.9.2-nuget-64bit", "java-8.152-64bit", "releases-%releases-tag%-64bit"],
+    "uses": ["node-20.18.0-64bit", "python-3.9.2-nuget-64bit", "java-8.152-64bit", "releases-%releases-tag%-64bit"],
     "os": "win",
     "custom_install_script": "emscripten_npm_install"
   }

test/test.py

@@ -176,9 +176,9 @@ def test_redownload(self):
 
     # Test the normal tools like node don't re-download on re-install
     print('another install must re-download')
-    checked_call_with_output(emsdk + ' uninstall node-18.20.3-64bit')
-    checked_call_with_output(emsdk + ' install node-18.20.3-64bit', expected='Downloading:', unexpected='already installed')
-    checked_call_with_output(emsdk + ' install node-18.20.3-64bit', unexpected='Downloading:', expected='already installed')
+    checked_call_with_output(emsdk + ' uninstall node-20.18.0-64bit')
+    checked_call_with_output(emsdk + ' install node-20.18.0-64bit', expected='Downloading:', unexpected='already installed')
+    checked_call_with_output(emsdk + ' install node-20.18.0-64bit', unexpected='Downloading:', expected='already installed')
 
   def test_tot_upstream(self):
     print('test update-tags')