Bump jinja2 from 3.1.2 to 3.1.3 in /src/test/regress

Bumps [jinja2](https://github.com/pallets/jinja) from 3.1.2 to 3.1.3.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](https://github.com/pallets/jinja/compare/3.1.2...3.1.3)

---
updated-dependencies:
- dependency-name: jinja2
  dependency-type: indirect
...

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

src/test/regress/Pipfile.lock

@@ -318,11 +318,12 @@
         },
         "jinja2": {
             "hashes": [
-                "sha256:31351a702a408a9e7595a8fc6150fc3f43bb6bf7e319770cbc0db9df9437e852",
-                "sha256:6088930bfe239f0e6710546ab9c19c9ef35e29792895fed6e6e31a023a182a61"
+                "sha256:7d6d50dd97d52cbc355597bd845fabfbac3f551e1f99619e39a35ce8c370b5fa",
+                "sha256:ac8bd6544d4bb2c9792bf3a159e80bba8fda7f07e81bc3aed565432d5925ba90"
             ],
+            "index": "pypi",
             "markers": "python_version >= '3.7'",
-            "version": "==3.1.2"
+            "version": "==3.1.3"
         },
         "kaitaistruct": {
             "hashes": [