Use "host" instead of "target" in Web Tests

Signed-off-by: Joe Richey <joerichey@google.com>

.github/workflows/tests.yml

@@ -192,12 +192,12 @@ jobs:
       matrix:
         include:
           - os: ubuntu-latest
-            target: x86_64-unknown-linux-musl
+            host: x86_64-unknown-linux-musl
           - os: windows-latest
-            target: x86_64-pc-windows-msvc
+            host: x86_64-pc-windows-msvc
           # Reenable when Safari tests start working
           # - os: macos-12
-          #   target: x86_64-apple-darwin
+          #   host: x86_64-apple-darwin
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
@@ -208,7 +208,7 @@ jobs:
         shell: bash
         run: |
           VERSION=v0.10.3
-          URL=https://github.com/rustwasm/wasm-pack/releases/download/${VERSION}/wasm-pack-${VERSION}-${{ matrix.target }}.tar.gz
+          URL=https://github.com/rustwasm/wasm-pack/releases/download/${VERSION}/wasm-pack-${VERSION}-${{ matrix.host }}.tar.gz
           wget -O - $URL | tar -xz --strip-components=1 -C ~/.cargo/bin
           wasm-pack --version
       - uses: Swatinem/rust-cache@v2