chore: regenerate README (#309)

Author: yoshi-automation

.github/readme/synth.metadata/synth.metadata

@@ -0,0 +1,18 @@
+{
+  "sources": [
+    {
+      "git": {
+        "name": ".",
+        "remote": "https://github.com/googleapis/java-pubsublite.git",
+        "sha": "ed9d961aa7b79c18eb877a69203b042b0cebae86"
+      }
+    },
+    {
+      "git": {
+        "name": "synthtool",
+        "remote": "https://github.com/googleapis/synthtool.git",
+        "sha": "6abb59097be84599a1d6091fe534a49e5c5cf948"
+      }
+    }
+  ]
+}

README.md

@@ -20,18 +20,16 @@ If you are using Maven, add this to your pom.xml file:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-pubsublite</artifactId>
-  <version>0.4.0</version>
+  <version>0.4.1</version>
 </dependency>
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-pubsub</artifactId>
-  <version>1.108.1</version>
+  <version>1.108.4</version>
 </dependency>
 
 ```
 
-[//]: # ({x-version-update-start:google-cloud-pubsublite:released})
-
 If you are using Gradle, add this to your dependencies
 ```Groovy
 compile 'com.google.cloud:google-cloud-pubsublite:0.5.0'
@@ -40,7 +38,6 @@ If you are using SBT, add this to your dependencies
 ```Scala
 libraryDependencies += "com.google.cloud" % "google-cloud-pubsublite" % "0.5.0"
 ```
-[//]: # ({x-version-update-end})
 
 ## Authentication