Bump x509-limbo and/or wycheproof in CI (#13029)

pyca-boringbot[bot] · pyca-boringbot[bot] · web-flow · commit ec61a92a5cc1 · 2025-06-03T00:47:38.000Z
Co-authored-by: pyca-boringbot[bot] &lt;pyca-boringbot[bot]+106132319@users.noreply.github.com&gt;
diff --git a/.github/actions/fetch-vectors/action.yml b/.github/actions/fetch-vectors/action.yml
@@ -16,5 +16,5 @@ runs:
       with:
         repository: "C2SP/x509-limbo"
         path: "x509-limbo"
-        # Latest commit on the x509-limbo main branch, as of Jun 01, 2025.
-        ref: "8ecc387ce7aa1c23811df007f0719c02b428f8ff" # x509-limbo-ref
+        # Latest commit on the x509-limbo main branch, as of Jun 03, 2025.
+        ref: "18e89e6354883587e1d69991f142698c73a768a9" # x509-limbo-ref
