chore: ensure ChannelCredentials class exists (#743)

Google APIs · copybara-github · commit 2a3db2e19f48 · 2025-01-29T14:32:21.000-08:00
PiperOrigin-RevId: 721110266
diff --git a/WORKSPACE b/WORKSPACE
@@ -405,7 +405,7 @@ pnpm_repository(name = "pnpm")
 ##############################################################################
 
 # PHP micro-generator
-_gapic_generator_php_version = "1.18.1"
+_gapic_generator_php_version = "1.18.2"
 
 http_archive(
     name = "gapic_generator_php",
