chore: regenerate README (googleapis#383)

This PR was generated using Autosynth. 🌈


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

```
2021-02-24 20:02:44,207 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-resourcemanager/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-02-24 20:02:45,805 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/a29124d9-35cc-4df3-a7f4-bb86449c308d/targets

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

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

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-resourcemanager.git",
-        "sha": "048cb14d2bc284b494226116bd0640986125736b"
+        "sha": "87eda1e6edd0903d21029b11de03df317d3badee"
       }
     },
     {

java-resourcemanager/README.md

@@ -41,7 +41,7 @@ If you are using Maven without BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-resourcemanager</artifactId>
-  <version>0.118.7-alpha</version>
+  <version>0.118.9-alpha</version>
 </dependency>
 
 ```