chore(ruby): Re-enable bigquery-storage-v1 generation, which also req…

…uired updating protobuf from 3.15.3 to 3.18.1 for codegen (#876)

- [x] Regenerate this pull request now.

PiperOrigin-RevId: 403132955

Source-Link: googleapis/googleapis@d2977af

Source-Link: googleapis/googleapis-gen@99bb13c
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiOTliYjEzYzgxM2MwZTljMjY4MmQwM2E4YjNjM2JjYjM4MmE5MDljOSJ9

google-cloud-pubsub/clirr-ignored-differences.xml

@@ -1,12 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!-- see http://www.mojohaus.org/clirr-maven-plugin/examples/ignored-differences.html -->
 <differences>
-  <difference>
-    <differenceType>7005</differenceType>
-    <className>com/google/cloud/pubsub/v1/SubscriptionAdminClient</className>
-    <method>*</method>
-    <to>*</to>
-  </difference>
   <difference>
     <differenceType>7002</differenceType>
     <className>com/google/cloud/pubsub/v1/TopicAdminClient$ListTopicSubscriptions*</className>