Fix nightly WASM target (#5799)

Author: robertbastian

components/collections/codepointtrie_builder/cpp/Makefile

@@ -30,7 +30,7 @@ wasm_obj/icu4c/%.o: $(ICU4C_SOURCE)/%.cpp
 wasm_obj/ucptrie_wrap.o: ucptrie_wrap.cpp
 	mkdir -p wasm_obj
 	$(CXX) --target=wasm32-unknown-wasi \
-		-I/usr/include/wasm32-wasi \
+		-I/usr/include/wasm32-wasip1 \
 		--compile \
 		-flto \
 		-I$(ICU4C_SOURCE)/common \

tutorials/gn/build/rust_wasi/BUILD.gn

@@ -5,5 +5,5 @@
 import("//tutorials/gn/build/rust_toolchain.gni")
 
 rust_toolchain("rust_wasi") {
-  rust_target = "wasm32-wasi"
+  rust_target = "wasm32-wasip1"
 }

tutorials/gn/gn.toml

@@ -161,7 +161,7 @@ assert ${third_party_tools} "The GN third-party tools are not installed.\n*** Pl
 
 cd tutorials/gn
 
-exec --fail-on-error rustup target add wasm32-wasi --toolchain ${PINNED_CI_NIGHTLY}
+exec --fail-on-error rustup target add wasm32-wasip1 --toolchain ${PINNED_CI_NIGHTLY}
 
 exec --fail-on-error ./third_party_tools/bin/gn gen --root=../.. --args=target_os="wasi" out/wasi
 exec --fail-on-error rustup run ${PINNED_CI_NIGHTLY} ./third_party_tools/depot_tools/ninja -C out/wasi