fix(util-stream): add bundler metadata for the ChecksumStream file

Author: kuhe

.changeset/serious-goats-report.md

@@ -0,0 +1,5 @@
+---
+"@smithy/util-stream": patch
+---
+
+add bundler metadata for ChecksumStream file

packages/util-stream/package.json

@@ -56,18 +56,21 @@
   ],
   "browser": {
     "./dist-es/checksum/createChecksumStream": "./dist-es/checksum/createChecksumStream.browser",
+    "./dist-es/checksum/ChecksumStream": "./dist-es/checksum/ChecksumStream.browser",
     "./dist-es/getAwsChunkedEncodingStream": "./dist-es/getAwsChunkedEncodingStream.browser",
     "./dist-es/headStream": "./dist-es/headStream.browser",
     "./dist-es/sdk-stream-mixin": "./dist-es/sdk-stream-mixin.browser",
     "./dist-es/splitStream": "./dist-es/splitStream.browser"
   },
   "react-native": {
     "./dist-es/checksum/createChecksumStream": "./dist-es/checksum/createChecksumStream.browser",
+    "./dist-es/checksum/ChecksumStream": "./dist-es/checksum/ChecksumStream.browser",
     "./dist-es/getAwsChunkedEncodingStream": "./dist-es/getAwsChunkedEncodingStream.browser",
     "./dist-es/sdk-stream-mixin": "./dist-es/sdk-stream-mixin.browser",
     "./dist-es/headStream": "./dist-es/headStream.browser",
     "./dist-es/splitStream": "./dist-es/splitStream.browser",
     "./dist-cjs/checksum/createChecksumStream": "./dist-cjs/checksum/createChecksumStream.browser",
+    "./dist-cjs/checksum/ChecksumStream": "./dist-cjs/checksum/ChecksumStream.browser",
     "./dist-cjs/getAwsChunkedEncodingStream": "./dist-cjs/getAwsChunkedEncodingStream.browser",
     "./dist-cjs/sdk-stream-mixin": "./dist-cjs/sdk-stream-mixin.browser",
     "./dist-cjs/headStream": "./dist-cjs/headStream.browser",