chore: regenerate README (#291)

This PR was generated using Autosynth. 🌈


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

```
2021-07-07 17:11:09,550 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-workflows/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-07-07 17:11:10,796 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/7ff9c8a3-3762-4741-82b5-ca61b8aed3c6/targets

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java-workflows/.github/readme/synth.metadata/synth.metadata

@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-workflows.git",
-        "sha": "7f0ed745f1fe8d94a8ef1639880a6fb4fbed6526"
+        "sha": "d7ba7aa7e1dae130964b2d7ef925f82346494e99"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "8f76a885deaaf2fe234daeba4a8cc4d1b3de8086"
+        "sha": "39652e3948f455fd0b77535a0145eeec561a3706"
       }
     }
   ]

java-workflows/README.md

@@ -17,19 +17,19 @@ If you are using Maven, add this to your pom.xml file:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-workflows</artifactId>
-  <version>1.0.1</version>
+  <version>1.0.2</version>
 </dependency>
 
 ```
 
 If you are using Gradle without BOM, add this to your dependencies
 ```Groovy
-compile 'com.google.cloud:google-cloud-workflows:1.0.1'
+compile 'com.google.cloud:google-cloud-workflows:1.0.2'
 ```
 
 If you are using SBT, add this to your dependencies
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-workflows" % "1.0.1"
+libraryDependencies += "com.google.cloud" % "google-cloud-workflows" % "1.0.2"
 ```
 
 ## Authentication