chore: regenerate README (#722)

This PR was generated using Autosynth. 🌈


<details><summary>Log from Synthtool</summary>

```
2021-02-23 01:07:42,846 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-storage/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-02-23 01:07:44,438 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

```
</details>

Full log will be available here:
https://source.cloud.google.com/results/invocations/e9ed3199-10dd-4aaa-8c85-7d3df5054b1a/targets

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

.github/readme/synth.metadata/synth.metadata

@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-storage.git",
-        "sha": "ab3723dfa1674249f51f77f56b70fee57a7fd756"
+        "sha": "6b1f0361376167719ec5456181134136d27d1d3c"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "4dca4132c6d63788c6675e1b1e11e7b9225f8694"
+        "sha": "79ab0b44a2cc7d803d07c107f9faf07729fc4012"
       }
     }
   ]

README.md

@@ -51,12 +51,12 @@ compile 'com.google.cloud:google-cloud-storage'
 ```
 If you are using Gradle without BOM, add this to your dependencies
 ```Groovy
-compile 'com.google.cloud:google-cloud-storage:1.113.10'
+compile 'com.google.cloud:google-cloud-storage:1.113.11'
 ```
 
 If you are using SBT, add this to your dependencies
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-storage" % "1.113.10"
+libraryDependencies += "com.google.cloud" % "google-cloud-storage" % "1.113.11"
 ```
 
 ## Authentication