fix: correct path required proto testdata (backport #14991)

[mergify]

This is an automatic backport of pull request #14991 done by Mergify.
Cherry-pick of a90569c has failed:

On branch mergify/bp/release/v0.47.x/pr-14991
Your branch is up to date with 'origin/release/v0.47.x'.

You are currently cherry-picking commit a90569c7e.
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Changes to be committed:
	modified:   Makefile
	modified:   api/cosmos/orm/v1/orm.pulsar.go
	modified:   baseapp/abci_test.go
	modified:   baseapp/block_gas_test.go
	modified:   baseapp/grpcrouter_test.go
	modified:   baseapp/testutil/messages.pb.go
	modified:   baseapp/testutil/messages.proto
	modified:   client/context_test.go
	modified:   codec/types/types_test.go
	modified:   codec/unknownproto/unknown_fields_test.go
	modified:   codec/yaml_test.go
	new file:   testutil/testdata/README.md
	modified:   testutil/testdata/buf.gen.pulsar.yaml
	modified:   testutil/testdata/buf.gen.yaml
	modified:   testutil/testdata/codec.go
	modified:   testutil/testdata/query.pb.go
	modified:   testutil/testdata/testdata.pb.go
	renamed:    testutil/testdata/query.proto -> testutil/testdata/testpb/query.proto
	renamed:    testutil/testdata_pulsar/query.pulsar.go -> testutil/testdata/testpb/query.pulsar.go
	renamed:    testutil/testdata/testdata.proto -> testutil/testdata/testpb/testdata.proto
	renamed:    testutil/testdata_pulsar/testdata.pulsar.go -> testutil/testdata/testpb/testdata.pulsar.go
	renamed:    testutil/testdata/tx.proto -> testutil/testdata/testpb/tx.proto
	renamed:    testutil/testdata_pulsar/tx.pulsar.go -> testutil/testdata/testpb/tx.pulsar.go
	renamed:    testutil/testdata/unknonwnproto.proto -> testutil/testdata/testpb/unknonwnproto.proto
	renamed:    testutil/testdata_pulsar/unknonwnproto.pulsar.go -> testutil/testdata/testpb/unknonwnproto.pulsar.go
	modified:   testutil/testdata/tx.pb.go
	modified:   testutil/testdata/unknonwnproto.pb.go
	deleted:    testutil/testdata_pulsar/query.go
	deleted:    testutil/testdata_pulsar/query_grpc.pb.go
	deleted:    testutil/testdata_pulsar/tx_grpc.pb.go
	modified:   types/tx_msg_test.go
	modified:   x/auth/tx/encode_decode_test.go

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	both modified:   .golangci.yml
	both modified:   CHANGELOG.md
	both modified:   simapp/app.go
	both modified:   simapp/app_v2.go
	deleted by us:   testutil/assert_helpers.go
	both modified:   testutil/testdata/testpb/pulsar_query.go
	both modified:   testutil/testdata/testpb/query_grpc.pb.go
	both modified:   testutil/testdata/testpb/tx_grpc.pb.go
	both modified:   x/auth/ante/testutil_test.go

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[julienrbrt]

fixing the conflict here. ref #16030