fix(docker): download driver without npm and curl

The docker image build has neither npm nor curl, only wget. Resolve
the upstream gitHead via the npm registry HTTP API and fetch the
upstream build script through the existing wget-or-curl helper.

Author: yury-s

scripts/download_driver.sh

@@ -37,16 +37,22 @@ download() {
 DRIVER_VERSION=$(head -1 ./DRIVER_VERSION)
 
 # Resolve the exact upstream commit that produced this driver version, so that the
-# bundled Node.js version matches the driver exactly.
-GIT_HEAD=$(npm view playwright@"$DRIVER_VERSION" gitHead)
+# bundled Node.js version matches the driver exactly. Query the npm registry over
+# HTTP instead of the npm CLI which is not available in the docker image build.
+VERSION_MANIFEST=$(mktemp)
+download "https://registry.npmjs.org/playwright/$DRIVER_VERSION" "$VERSION_MANIFEST"
+GIT_HEAD=$(grep -o '"gitHead"[[:space:]]*:[[:space:]]*"[0-9a-f]\{40\}"' "$VERSION_MANIFEST" | head -1 | grep -o '[0-9a-f]\{40\}')
+rm -f "$VERSION_MANIFEST"
 if [[ -z "$GIT_HEAD" ]]; then
   echo "Failed to resolve upstream commit (gitHead) for playwright@$DRIVER_VERSION"
   exit 1
 fi
 
 # The Node.js version is kept in sync with the driver version in the upstream build script.
-NODE_VERSION=$(curl -fsSL "https://raw.githubusercontent.com/microsoft/playwright/$GIT_HEAD/utils/build/build-playwright-driver.sh" \
-  | sed -n 's/^NODE_VERSION="\([^"]*\)".*/\1/p')
+BUILD_SCRIPT=$(mktemp)
+download "https://raw.githubusercontent.com/microsoft/playwright/$GIT_HEAD/utils/build/build-playwright-driver.sh" "$BUILD_SCRIPT"
+NODE_VERSION=$(sed -n 's/^NODE_VERSION="\([^"]*\)".*/\1/p' "$BUILD_SCRIPT")
+rm -f "$BUILD_SCRIPT"
 if [[ -z "$NODE_VERSION" ]]; then
   echo "Failed to determine Node.js version for playwright@$DRIVER_VERSION ($GIT_HEAD)"
   exit 1