Bump x509-limbo and/or wycheproof in CI (#13198)

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

Author: pyca-boringbot[bot]

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

@@ -9,12 +9,12 @@ runs:
       with:
         repository: "C2SP/wycheproof"
         path: "wycheproof"
-        # Latest commit on the wycheproof main branch, as of Jul 12, 2025.
-        ref: "4109e5ed72e2a49ad39186fc75284261dd4ca5cd" # wycheproof-ref
+        # Latest commit on the wycheproof main branch, as of Jul 23, 2025.
+        ref: "b74ad722b52bb558f105271f464151c950b5dd5d" # wycheproof-ref
 
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       with:
         repository: "C2SP/x509-limbo"
         path: "x509-limbo"
-        # Latest commit on the x509-limbo main branch, as of Jul 16, 2025.
-        ref: "2a9d7f289d1c2bb5f9cbc565c529df933a35679e" # x509-limbo-ref
+        # Latest commit on the x509-limbo main branch, as of Jul 23, 2025.
+        ref: "96331844e7960eec0c1388aa93f5aa6821499e46" # x509-limbo-ref