Bump gitpython from 3.1.47 to 3.1.50 in /llvm/utils/git

Bumps [gitpython](https://github.com/gitpython-developers/GitPython) from 3.1.47 to 3.1.50.
- [Release notes](https://github.com/gitpython-developers/GitPython/releases)
- [Changelog](https://github.com/gitpython-developers/GitPython/blob/main/CHANGES)
- [Commits](gitpython-developers/GitPython@3.1.47...3.1.50)

---
updated-dependencies:
- dependency-name: gitpython
  dependency-version: 3.1.50
  dependency-type: direct:production
...

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

Author: dependabot[bot]

llvm/utils/git/requirements.txt

@@ -249,9 +249,9 @@ gitdb==4.0.11 \
     --hash=sha256:81a3407ddd2ee8df444cbacea00e2d038e40150acfa3001696fe0dcf1d3adfa4 \
     --hash=sha256:bf5421126136d6d0af55bc1e7c1af1c397a34f5b7bd79e776cd3e89785c2b04b
     # via gitpython
-gitpython==3.1.47 \
-    --hash=sha256:489f590edfd6d20571b2c0e72c6a6ac6915ee8b8cd04572330e3842207a78905 \
-    --hash=sha256:dba27f922bd2b42cb54c87a8ab3cb6beb6bf07f3d564e21ac848913a05a8a3cd
+gitpython==3.1.50 \
+    --hash=sha256:80da2d12504d52e1f998772dc5baf6e553f8d2fcfe1fcc226c9d9a2ee3372dcc \
+    --hash=sha256:d352abe2908d07355014abdd21ddf798c2a961469239afec4962e9da884858f9
     # via -r requirements.txt.in
 idna==3.8 \
     --hash=sha256:050b4e5baadcd44d760cedbd2b8e639f2ff89bbc7a5730fcc662954303377aac \

llvm/utils/git/requirements.txt.in

@@ -8,4 +8,4 @@ PyGithub==2.4.0 # >=1.59.1 For WorkflowRun.name
                 # >= 2.2.0 for permission arg to Repository.get_collaborators
                 # >= Fix for https://github.com/PyGithub/PyGithub/issues/3001
                 # (variables in graphql query).
-GitPython>=3.1.47  # https://security.snyk.io/vuln/SNYK-PYTHON-GITPYTHON-5840584
+GitPython>=3.1.50  # https://security.snyk.io/vuln/SNYK-PYTHON-GITPYTHON-5840584