chore(main): release 2.21.0 (#607)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Author: release-please[bot]

.release-please-manifest.json

@@ -1,4 +1,4 @@
 {
-    ".": "2.20.0"
+    ".": "2.21.0"
 }
 

CHANGELOG.md

@@ -4,6 +4,18 @@
 
 [1]: https://pypi.org/project/google-cloud-bigquery-storage/#history
 
+## [2.21.0](https://github.com/googleapis/python-bigquery-storage/compare/v2.20.0...v2.21.0) (2023-07-04)
+
+
+### Features
+
+* Add estimated physical file sizes to ReadAPI v1 ([#605](https://github.com/googleapis/python-bigquery-storage/issues/605)) ([ad342fe](https://github.com/googleapis/python-bigquery-storage/commit/ad342fe91e3e5c6563f87770aed55d686ae24466))
+
+
+### Bug Fixes
+
+* Add async context manager return types ([#610](https://github.com/googleapis/python-bigquery-storage/issues/610)) ([e7069d1](https://github.com/googleapis/python-bigquery-storage/commit/e7069d17c32927e33bb905be147a75f7404929fc))
+
 ## [2.20.0](https://github.com/googleapis/python-bigquery-storage/compare/v2.19.1...v2.20.0) (2023-05-25)
 
 

google/cloud/bigquery_storage/gapic_version.py

@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.20.0"  # {x-release-please-version}
+__version__ = "2.21.0"  # {x-release-please-version}

google/cloud/bigquery_storage_v1/gapic_version.py

@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.20.0"  # {x-release-please-version}
+__version__ = "2.21.0"  # {x-release-please-version}

google/cloud/bigquery_storage_v1beta2/gapic_version.py

@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.20.0"  # {x-release-please-version}
+__version__ = "2.21.0"  # {x-release-please-version}

samples/generated_samples/snippet_metadata_google.cloud.bigquery.storage.v1.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-bigquery-storage",
-    "version": "0.1.0"
+    "version": "2.21.0"
   },
   "snippets": [
     {

samples/generated_samples/snippet_metadata_google.cloud.bigquery.storage.v1beta2.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-bigquery-storage",
-    "version": "0.1.0"
+    "version": "2.21.0"
   },
   "snippets": [
     {