Bump tornado from 6.4.2 to 6.5.1 in /src/test/regress

Bumps [tornado](https://github.com/tornadoweb/tornado) from 6.4.2 to 6.5.1.
- [Changelog](https://github.com/tornadoweb/tornado/blob/master/docs/releases.rst)
- [Commits](https://github.com/tornadoweb/tornado/compare/v6.4.2...v6.5.1)

---
updated-dependencies:
- dependency-name: tornado
  dependency-version: 6.5.1
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

src/test/regress/Pipfile.lock

@@ -774,21 +774,22 @@
         },
         "tornado": {
             "hashes": [
-                "sha256:072ce12ada169c5b00b7d92a99ba089447ccc993ea2143c9ede887e0937aa803",
-                "sha256:1a017d239bd1bb0919f72af256a970624241f070496635784d9bf0db640d3fec",
-                "sha256:2876cef82e6c5978fde1e0d5b1f919d756968d5b4282418f3146b79b58556482",
-                "sha256:304463bd0772442ff4d0f5149c6f1c2135a1fae045adf070821c6cdc76980634",
-                "sha256:908b71bf3ff37d81073356a5fadcc660eb10c1476ee6e2725588626ce7e5ca38",
-                "sha256:92bad5b4746e9879fd7bf1eb21dce4e3fc5128d71601f80005afa39237ad620b",
-                "sha256:932d195ca9015956fa502c6b56af9eb06106140d844a335590c1ec7f5277d10c",
-                "sha256:bca9eb02196e789c9cb5c3c7c0f04fb447dc2adffd95265b2c7223a8a615ccbf",
-                "sha256:c36e62ce8f63409301537222faffcef7dfc5284f27eec227389f2ad11b09d946",
-                "sha256:c82c46813ba483a385ab2a99caeaedf92585a1f90defb5693351fa7e4ea0bf73",
-                "sha256:e828cce1123e9e44ae2a50a9de3055497ab1d0aeb440c5ac23064d9e44880da1"
+                "sha256:02420a0eb7bf617257b9935e2b754d1b63897525d8a289c9d65690d580b4dcf7",
+                "sha256:13ce6e3396c24e2808774741331638ee6c2f50b114b97a55c5b442df65fd9692",
+                "sha256:253b76040ee3bab8bcf7ba9feb136436a3787208717a1fb9f2c16b744fba7331",
+                "sha256:308473f4cc5a76227157cdf904de33ac268af770b2c5f05ca6c1161d82fdd95e",
+                "sha256:5cae6145f4cdf5ab24744526cc0f55a17d76f02c98f4cff9daa08ae9a217448a",
+                "sha256:84ceece391e8eb9b2b95578db65e920d2a61070260594819589609ba9bc6308c",
+                "sha256:908e7d64567cecd4c2b458075589a775063453aeb1d2a1853eedb806922f568b",
+                "sha256:9e9ca370f717997cb85606d074b0e5b247282cf5e2e1611568b8821afe0342d6",
+                "sha256:b77e9dfa7ed69754a54c89d82ef746398be82f749df69c4d3abe75c4d1ff4888",
+                "sha256:caec6314ce8a81cf69bd89909f4b633b9f523834dc1a352021775d45e51d9401",
+                "sha256:d50065ba7fd11d3bd41bcad0825227cc9a95154bad83239357094c36708001f7",
+                "sha256:e0a36e1bc684dca10b1aa75a31df8bdfed656831489bc1e6a6ebed05dc1ec365"
             ],
             "index": "pypi",
-            "markers": "python_version >= '3.8'",
-            "version": "==6.4.2"
+            "markers": "python_version >= '3.9'",
+            "version": "==6.5.1"
         },
         "typing-extensions": {
             "hashes": [