deps: update dependency com.google.api:gax-bom to v1.55.0 (googleapis#124)

Author: renovate-bot

java-resourcemanager/pom.xml

@@ -65,7 +65,7 @@
     <site.installationModule>google-cloud-resourcemanager-parent</site.installationModule>
     <google.core.version>1.93.3</google.core.version>
     <google.api-common.version>1.9.0</google.api-common.version>
-    <gax.version>1.54.0</gax.version>
+    <gax.version>1.55.0</gax.version>
     <junit.version>4.13</junit.version>
     <guava.version>28.2-android</guava.version>
     <threeten.version>1.4.1</threeten.version>