Bump gitpython from 3.1.35 to 3.1.37 in /scripts/metrics

Bumps [gitpython](https://github.com/gitpython-developers/GitPython) from 3.1.35 to 3.1.37.
- [Release notes](https://github.com/gitpython-developers/GitPython/releases)
- [Changelog](https://github.com/gitpython-developers/GitPython/blob/main/CHANGES)
- [Commits](https://github.com/gitpython-developers/GitPython/compare/3.1.35...3.1.37)

---
updated-dependencies:
- dependency-name: gitpython
  dependency-type: direct:production
...

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

scripts/metrics/Pipfile.lock

@@ -60,11 +60,11 @@
         },
         "gitpython": {
             "hashes": [
-                "sha256:9cbefbd1789a5fe9bcf621bb34d3f441f3a90c8461d377f84eda73e721d9b06b",
-                "sha256:c19b4292d7a1d3c0f653858db273ff8a6614100d1eb1528b014ec97286193c09"
+                "sha256:5f4c4187de49616d710a77e98ddf17b4782060a1788df441846bddefbb89ab33",
+                "sha256:f9b9ddc0761c125d5780eab2d64be4873fc6817c2899cbcb34b02344bdc7bc54"
             ],
             "markers": "python_version >= '3.7'",
-            "version": "==3.1.35"
+            "version": "==3.1.37"
         },
         "idna": {
             "hashes": [
@@ -362,7 +362,6 @@
                 "sha256:24d6a242c28d29af46c3fae832c36db3bbebcc533dd1bb549172cd739c82df21",
                 "sha256:94a757d178c9be92ef5539b8840d48dc9cf1b2709c9d6b588232a055c524458b"
             ],
-            "index": "pypi",
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5'",
             "version": "==1.26.17"
         },