Bump com.fasterxml.jackson:jackson-bom from 2.21.2 to 2.21.3 in /twilio (#360)

Bumps [com.fasterxml.jackson:jackson-bom](https://github.com/FasterXML/jackson-bom) from 2.21.2 to 2.21.3.
- [Commits](FasterXML/jackson-bom@jackson-bom-2.21.2...jackson-bom-2.21.3)

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson:jackson-bom
  dependency-version: 2.21.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

twilio/pom.xml

@@ -38,10 +38,10 @@
             <dependency>
                 <groupId>com.fasterxml.jackson</groupId>
                 <artifactId>jackson-bom</artifactId>
-                <!-- Pinned at 2.21.2 because OpenAI client 0.18.2 still references
+                <!-- Pinned at 2.21.3 because OpenAI client 0.18.2 still references
                 PropertyNamingStrategy.SNAKE_CASE (removed in 2.20.0). 
                 TODO: update once legacy OpenAI lib is retired. -->
-                <version>2.21.2</version>
+                <version>2.21.3</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>