chore(deps): update dependency com.google.cloud:google-cloud-security-private-ca to v2.2.3 (#357)

* chore(deps): update dependency com.google.cloud:google-cloud-security-private-ca to v2.2.3

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privateca/pom.xml

@@ -52,7 +52,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-security-private-ca</artifactId>
-      <version>2.2.2</version>
+      <version>2.2.3</version>
     </dependency>
     <dependency>
       <groupId>org.bouncycastle</groupId>