build: add java_outer_classname to intoto protos to fix java client generation issues due to name collisions (#308)

PiperOrigin-RevId: 414718329
Source-Link: googleapis/googleapis@297bfd8
Source-Link: googleapis/googleapis-gen@f4b3102
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZjRiMzEwMjUwNDc2MDE5MjMxZTZiZTYzYTRjOTFjOTZjZWExYThlZiJ9
Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: kelsk <38271546+kelsk@users.noreply.github.com>
Co-authored-by: Benjamin E. Coe <bencoe@google.com>

Author: 3 people

packages/grafeas/protos/grafeas/v1/intoto_provenance.proto

@@ -23,6 +23,7 @@ option go_package = "google.golang.org/genproto/googleapis/grafeas/v1;grafeas";
 option java_multiple_files = true;
 option java_package = "io.grafeas.v1";
 option objc_class_prefix = "GRA";
+option java_outer_classname = "InTotoProvenanceProto";
 
 // Spec defined at
 // https://github.com/in-toto/attestation/blob/main/spec/predicates/provenance.md

packages/grafeas/protos/grafeas/v1/intoto_statement.proto

@@ -23,6 +23,7 @@ option go_package = "google.golang.org/genproto/googleapis/grafeas/v1;grafeas";
 option java_multiple_files = true;
 option java_package = "io.grafeas.v1";
 option objc_class_prefix = "GRA";
+option java_outer_classname = "InTotoStatementProto";
 
 // Spec defined at
 // https://github.com/in-toto/attestation/tree/main/spec#statement The