Downgrade grpc from 1.38.0 to 1.30.2

The newer shared library contains CPU instructions
that are incompatible with some customer machines.

We need to ignore deprecation warnings from related
files as well until this is resolved.

Changelog: fixed

Gemfile

@@ -310,7 +310,7 @@ gem 'pg_query', '~> 2.1'
 gem 'premailer-rails', '~> 1.10.3'
 
 # LabKit: Tracing and Correlation
-gem 'gitlab-labkit', '~> 0.21.0'
+gem 'gitlab-labkit', '~> 0.21.1'
 # Thrift is a dependency of gitlab-labkit, we want a version higher than 0.14.0
 # because of https://gitlab.com/gitlab-org/gitlab/-/issues/321900
 gem 'thrift', '>= 0.14.0'
@@ -479,7 +479,7 @@ gem 'gitaly', '~> 14.2.0.pre.rc2'
 # KAS GRPC protocol definitions
 gem 'kas-grpc', '~> 0.0.2'
 
-gem 'grpc', '~> 1.38.0'
+gem 'grpc', '~> 1.30.2'
 
 gem 'google-protobuf', '~> 3.17.1'
 

Gemfile.lock

@@ -475,10 +475,10 @@ GEM
       fog-json (~> 1.2.0)
       mime-types
       ms_rest_azure (~> 0.12.0)
-    gitlab-labkit (0.21.0)
+    gitlab-labkit (0.21.1)
       actionpack (>= 5.0.0, < 7.0.0)
       activesupport (>= 5.0.0, < 7.0.0)
-      grpc (~> 1.38)
+      grpc (~> 1.30.2)
       jaeger-client (~> 1.1)
       opentracing (~> 0.4)
       pg_query (~> 2.1)
@@ -573,8 +573,8 @@ GEM
       graphql (~> 1.6)
       html-pipeline (~> 2.8)
       sass (~> 3.4)
-    grpc (1.38.0)
-      google-protobuf (~> 3.15)
+    grpc (1.30.2)
+      google-protobuf (~> 3.12)
       googleapis-common-protos-types (~> 1.0)
     gssapi (1.2.0)
       ffi (>= 1.0.1)
@@ -1477,7 +1477,7 @@ DEPENDENCIES
   gitlab-dangerfiles (~> 2.3.0)
   gitlab-experiment (~> 0.6.4)
   gitlab-fog-azure-rm (~> 1.1.1)
-  gitlab-labkit (~> 0.21.0)
+  gitlab-labkit (~> 0.21.1)
   gitlab-license (~> 2.0)
   gitlab-mail_room (~> 0.0.9)
   gitlab-markup (~> 1.7.1)
@@ -1499,7 +1499,7 @@ DEPENDENCIES
   graphlient (~> 0.4.0)
   graphql (~> 1.11.8)
   graphql-docs (~> 1.6.0)
-  grpc (~> 1.38.0)
+  grpc (~> 1.30.2)
   gssapi
   guard-rspec
   haml_lint (~> 0.36.0)

spec/deprecation_toolkit_env.rb

@@ -56,8 +56,12 @@ module DeprecationToolkitEnv
   # In this case, we recommend to add a silence together with an issue to patch or update
   # the dependency causing the problem.
   # See https://gitlab.com/gitlab-org/gitlab/-/commit/aea37f506bbe036378998916d374966c031bf347#note_647515736
+  #
+  # - ruby/lib/grpc/generic/interceptors.rb: https://gitlab.com/gitlab-org/gitlab/-/issues/339305
   def self.allowed_kwarg_warning_paths
-    %w[]
+    %w[
+        ruby/lib/grpc/generic/interceptors.rb
+      ]
   end
 
   def self.configure!