deps: update dependency com.google.cloud:google-cloud-pubsublite to v1.4.0 (#301)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-pubsublite](https://togithub.com/googleapis/java-shared-config) | `1.3.0` -> `1.4.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsublite/1.4.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsublite/1.4.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsublite/1.4.0/compatibility-slim/1.3.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsublite/1.4.0/confidence-slim/1.3.0)](https://docs.renovatebot.com/merge-confidence/) |

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Author: renovate-bot

pom.xml

@@ -43,7 +43,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-pubsublite</artifactId>
-      <version>1.3.0</version>
+      <version>1.4.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api.grpc</groupId>

samples/snapshot/pom.xml

@@ -44,7 +44,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-pubsublite</artifactId>
-      <version>1.3.0</version>
+      <version>1.4.0</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>

samples/snippets/pom.xml

@@ -44,7 +44,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-pubsublite</artifactId>
-      <version>1.3.0</version>
+      <version>1.4.0</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>