Upgrade emscripten toolchain to 2.0.26

lopopolo · lopopolo · commit 688efdcff1c3 · 2021-11-18T09:29:30.000-08:00
emscripten builds against LLVM tip-of-tree. The LLVM release tag for llvmorg-13.0.0 branched from main on July 28, 2021. llvm/llvm-project@main...llvmorg-13.0.0 The emscripten release closest to that date is 2.0.26 - 07/26/2021.
diff --git a/emscripten-toolchain b/emscripten-toolchain
@@ -1 +1 @@
-2.0.9-upstream
+2.0.26-upstream
