build: refer to protos on Falco master

Co-authored-by: Lorenzo Fontana <lo@linux.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>

Makefile

@@ -6,13 +6,13 @@ MOCKGEN ?= $(shell which mockgen)
 
 ifeq ($(MOCKGEN),)
 # keep this in sync with the version of github.com/golang/mock in go.mod
-$(shell $(GO) get github.com/golang/mock/mockgen@v1.4.3) 
+$(shell $(GO) get github.com/golang/mock/mockgen@v1.4.3)
 endif
 
 TEST_FLAGS ?= -v -race
 
 PROTOS := pkg/api/schema/schema.proto pkg/api/outputs/outputs.proto pkg/api/version/version.proto
-PROTO_URLS := https://raw.githubusercontent.com/falcosecurity/falco/feat/bidi-grpc-outputs/userspace/falco/schema.proto https://raw.githubusercontent.com/falcosecurity/falco/feat/bidi-grpc-outputs/userspace/falco/outputs.proto https://raw.githubusercontent.com/falcosecurity/falco/feat/bidi-grpc-outputs/userspace/falco/version.proto
+PROTO_URLS := https://raw.githubusercontent.com/falcosecurity/falco/master/userspace/falco/schema.proto https://raw.githubusercontent.com/falcosecurity/falco/master/userspace/falco/outputs.proto https://raw.githubusercontent.com/falcosecurity/falco/master/userspace/falco/version.proto
 PROTO_SHAS := 1adf7fbb2b92793a3cf490204314af7788ffd81655c4cedb40587a22db9c1915 5e3bdc564c4d38f7d70a8fe50e6022a733ed93197edff6b824a24c6a45fed6c3 fc470546c00273bafe20b53ab6b7e0784206b8f6f9a705df92994e89035a5dc4
 
 PROTO_DIRS := $(dir ${PROTOS})