cmd/govulncheck: fixes an incorrect path in kokoro specification

Change-Id: I607c49dbb7ecfa6d59b520284a55ac4564f15f1b
Reviewed-on: https://go-review.googlesource.com/c/vuln/+/402754
Reviewed-by: Jonathan Amsterdam <jba@google.com>
Run-TryBot: Zvonimir Pavlinovic <zpavlinovic@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
diff --git a/cmd/govulncheck/integration/kokoro/integration.cfg b/cmd/govulncheck/integration/kokoro/integration.cfg
index 60a970b..78549d3 100644
--- a/cmd/govulncheck/integration/kokoro/integration.cfg
+++ b/cmd/govulncheck/integration/kokoro/integration.cfg
@@ -1,4 +1,4 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
-build_file: "vuln/cmd/govulncheck/integration/kokoro/gcp_ubuntu/integration.sh"
+build_file: "vuln/cmd/govulncheck/integration/kokoro/integration.sh"