[emscripten] Fix Emdawnwebgpu build on GitHub releases

No-Try: true
Bug: 442618073
Change-Id: Idb24564ea8f6c79f8c3a06a76dd08ad81e2b9480
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/262054
Reviewed-by: Loko Kung <lokokung@google.com>
Commit-Queue: Kai Ninomiya <kainino@chromium.org>

.github/workflows/package-emdawnwebgpu.sh

diff --git a/.github/workflows/package-emdawnwebgpu.sh b/.github/workflows/package-emdawnwebgpu.sh
index ee0a156..81c4ccf 100755
--- a/.github/workflows/package-emdawnwebgpu.sh
+++ b/.github/workflows/package-emdawnwebgpu.sh
@@ -48,6 +48,7 @@
 # First build the link test in debug mode as a basic test.
 third_party/emsdk/upstream/emscripten/emcmake cmake -S=. -B=out/wasm \
     -C=.github/workflows/dawn-ci.cmake \
+    -DDAWN_ENABLE_INSTALL=0 \
     -DCMAKE_BUILD_TYPE=Debug
 make -j4 -C out/wasm emdawnwebgpu_link_test