chore: regenerate README (googleapis#344)

This PR was generated using Autosynth. 🌈


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

```
2021-01-07 20:08:26,856 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 20:08:27,743 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/7aaae165-edc9-446f-ae29-6fe44a301daa/targets

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

Author: yoshi-automation

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

@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-resourcemanager.git",
-        "sha": "440d9c9cacb15ad87c57d94f7efb4a4a6239a98f"
+        "sha": "a5c6f2e257960406bc07f2bb70479c612e5b8c8f"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "a3e990f3545dc8ccd384a75d20ce9cb185ca6a28"
+        "sha": "41a4e56982620d3edcf110d76f4fcdfdec471ac8"
       }
     }
   ]

java-resourcemanager/README.md

@@ -48,18 +48,18 @@ If you are using Maven without BOM, add this to your dependencies:
 
 If you are using Gradle 5.x or later, add this to your dependencies
 ```Groovy
-implementation platform('com.google.cloud:libraries-bom:16.2.0')
+implementation platform('com.google.cloud:libraries-bom:16.2.1')
 
 compile 'com.google.cloud:google-cloud-resourcemanager'
 ```
 If you are using Gradle without BOM, add this to your dependencies
 ```Groovy
-compile 'com.google.cloud:google-cloud-resourcemanager:0.118.6-alpha'
+compile 'com.google.cloud:google-cloud-resourcemanager:0.118.7-alpha'
 ```
 
 If you are using SBT, add this to your dependencies
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-resourcemanager" % "0.118.6-alpha"
+libraryDependencies += "com.google.cloud" % "google-cloud-resourcemanager" % "0.118.7-alpha"
 ```
 
 ## Authentication