chore: regenerate README (googleapis#377)

This PR was generated using Autosynth. 🌈


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

```
2020-12-15 22:34:41,191 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-logging/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2020-12-15 22:34:42,053 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/c0fd0a50-9b86-4dc6-919b-c26fd251c7b1/targets

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

Author: yoshi-automation

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

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-logging.git",
-        "sha": "0d7c74b8f9e4852a5c419c753b74f6e3d56478b7"
+        "sha": "1038b60446dfac5b83b67df470cdd1d3d322d077"
       }
     },
     {

java-logging/README.md

@@ -17,7 +17,7 @@ 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>16.1.0</version>
+      <version>16.2.0</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>