[CHANGE ME] Re-generated to pick up changes from self. (#504)

This PR was generated using Autosynth. 🌈

Synth log will be available here:
https://source.cloud.google.com/results/invocations/9c978fc0-5f2f-4afc-a010-726fa2b84c9c/targets

- [ ] To automatically regenerate this PR, check this box.

.kokoro/release/stage.sh

@@ -16,8 +16,8 @@
 set -eo pipefail
 
 # Start the releasetool reporter
-# python3 -m pip install gcp-releasetool
-# python3 -m releasetool publish-reporter-script > /tmp/publisher-script; source /tmp/publisher-script
+python3 -m pip install gcp-releasetool
+python3 -m releasetool publish-reporter-script > /tmp/publisher-script; source /tmp/publisher-script
 
 source $(dirname "$0")/common.sh
 MAVEN_SETTINGS_FILE=$(realpath $(dirname "$0")/../../)/settings.xml

README.md

@@ -47,11 +47,11 @@ If you are using Maven without BOM, add this to your dependencies:
 
 If you are using Gradle, add this to your dependencies
 ```Groovy
-compile 'com.google.cloud:google-cloud-bigquerystorage:1.4.1'
+compile 'com.google.cloud:google-cloud-bigquerystorage:1.5.0'
 ```
 If you are using SBT, add this to your dependencies
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-bigquerystorage" % "1.4.1"
+libraryDependencies += "com.google.cloud" % "google-cloud-bigquerystorage" % "1.5.0"
 ```
 [//]: # ({x-version-update-end})
 

synth.metadata

@@ -11,7 +11,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-bigquerystorage.git",
-        "sha": "271fff1c006a8979b6c6bdb81ac1fd673eb2d94e"
+        "sha": "ca7e19cc47824e1b16fe32df2c131d74f0b4de05"
       }
     },
     {