Bump x509-limbo and/or wycheproof in CI (#13386)

Co-authored-by: pyca-boringbot[bot] <pyca-boringbot[bot][email protected]>

Author: pyca-boringbot[bot]

.github/actions/fetch-vectors/action.yml

@@ -9,14 +9,14 @@ runs:
       with:
         repository: "C2SP/wycheproof"
         path: "wycheproof"
-        # Latest commit on the wycheproof main branch, as of Sep 02, 2025.
-        ref: "38a67b11c072a0144da61ec15e5f0c645749c015" # wycheproof-ref
+        # Latest commit on the wycheproof main branch, as of Sep 03, 2025.
+        ref: "78acd95f7c46c2377d301e692328b4df70ec50a7" # wycheproof-ref
         persist-credentials: false
 
     - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       with:
         repository: "C2SP/x509-limbo"
         path: "x509-limbo"
-        # Latest commit on the x509-limbo main branch, as of Aug 26, 2025.
-        ref: "2e0461d620f766232ebe9a3173aedaa70c52342c" # x509-limbo-ref
+        # Latest commit on the x509-limbo main branch, as of Sep 03, 2025.
+        ref: "0b1d5b1831a1ba3d1de37f26975387e5c6e65d85" # x509-limbo-ref
         persist-credentials: false