chore: regenerate README (googleapis#348)

This PR was generated using Autosynth. 🌈


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

```
2021-01-07 22:44:31,541 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-resourcemanager/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-01-07 22:44:32,389 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/c0423f07-9cff-43be-b6f1-64a7136289e3/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": "ef29f0a9c9203125ca9e4fe7caac2b47ae5426d1"
+        "sha": "3d0c0ff258e31876dd327ed2a5970a93b82ce913"
       }
     },
     {

java-resourcemanager/README.md

@@ -20,7 +20,7 @@ If you are using Maven with [BOM][libraries-bom], add this to your pom.xml file
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>libraries-bom</artifactId>
-      <version>16.2.0</version>
+      <version>16.2.1</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>
@@ -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>0.118.6-alpha</version>
+  <version>0.118.7-alpha</version>
 </dependency>
 
 ```