chore: regenerate README (#365)

This PR was generated using Autosynth. 🌈


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

```
2020-11-19 17:42:20,562 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-datacatalog/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working directory clean
2020-11-19 17:42:21,487 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/2096370c-8c36-4bcc-820a-c558a023b1a6/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-datacatalog.git",
-        "sha": "5c6b621992d902d9ceb88596be79c9955e568a8d"
+        "sha": "e1c42cd998d4ede78e77e15aef2ffb38f6d9b9de"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "39b7149da4026765385403632db3c6f63db96b2c"
+        "sha": "a073c873f3928c561bdf87fdfbf1d081d1998984"
       }
     }
   ]

README.md

@@ -38,7 +38,7 @@ If you are using Maven without BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-datacatalog</artifactId>
-  <version>1.0.7</version>
+  <version>1.0.9</version>
 </dependency>
 
 ```