chore: regenerate README (#459)

This PR was generated using Autosynth. 🌈


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

```
2021-06-15 18:19:53,461 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-accessapproval/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-06-15 18:19:54,664 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

```
</details>

Full log will be available here:
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.github/readme/synth.metadata/synth.metadata

@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-accessapproval.git",
-        "sha": "a5dcb5424a373c4cd0d10caf098a104666bbb153"
+        "sha": "67f40a9e618329d927fe8bb2f4bba7e29bd32677"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "2430f8d90ed8a508e8422a3a7191e656d5a6bf53"
+        "sha": "8f76a885deaaf2fe234daeba4a8cc4d1b3de8086"
       }
     }
   ]

README.md

@@ -51,12 +51,12 @@ compile 'com.google.cloud:google-cloud-accessapproval'
 ```
 If you are using Gradle without BOM, add this to your dependencies
 ```Groovy
-compile 'com.google.cloud:google-cloud-accessapproval:1.1.0'
+compile 'com.google.cloud:google-cloud-accessapproval:1.1.1'
 ```
 
 If you are using SBT, add this to your dependencies
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-accessapproval" % "1.1.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-accessapproval" % "1.1.1"
 ```
 
 ## Authentication