fix: increase timeout for go test

- Since we have added integration tests and the default Go test
timeout is 10 minutes, we need to increase it.

Author: rscampos

Makefile

@@ -806,6 +806,7 @@ test-integration: \
 		-v \
 		-p 1 \
 		-count=1 \
+		-timeout=20m \
 		./tests/integration/... \
 
 .PHONY: test-upstream-libbpfgo