Document Pipfile.lock support

Add Pipfile.lock to the list of files
Dependency Scanning supports via Gemnasium.

doc/user/application_security/dependency_scanning/index.md

@@ -67,14 +67,16 @@ The following languages and dependency managers are supported:
 | [npm](https://www.npmjs.com/), [yarn](https://classic.yarnpkg.com/en/) 1.x | JavaScript | `package-lock.json`, `npm-shrinkwrap.json`, `yarn.lock` | [Gemnasium](https://gitlab.com/gitlab-org/security-products/gemnasium) |
 | [npm](https://www.npmjs.com/), [yarn](https://classic.yarnpkg.com/en/) 1.x | JavaScript | `package.json` | [Retire.js](https://retirejs.github.io/retire.js/) |
 | [NuGet](https://www.nuget.org/) 4.9+ | .NET, C# | [`packages.lock.json`](https://docs.microsoft.com/en-us/nuget/consume-packages/package-references-in-project-files#enabling-lock-file) | [Gemnasium](https://gitlab.com/gitlab-org/security-products/gemnasium) |
-| [setuptools](https://setuptools.readthedocs.io/en/latest/), [pip](https://pip.pypa.io/en/stable/), [Pipenv](https://pipenv.pypa.io/en/latest/) | Python | `setup.py`, `requirements.txt`, `requirements.pip`, `requires.txt`, `Pipfile` | [Gemnasium](https://gitlab.com/gitlab-org/security-products/gemnasium) |
+| [setuptools](https://setuptools.readthedocs.io/en/latest/), [pip](https://pip.pypa.io/en/stable/), [Pipenv](https://pipenv.pypa.io/en/latest/) (*1*) | Python | `setup.py`, `requirements.txt`, `requirements.pip`, `requires.txt`, `Pipfile`, `Pipfile.lock` | [Gemnasium](https://gitlab.com/gitlab-org/security-products/gemnasium) |
 | [sbt](https://www.scala-sbt.org/) 1.2 and below ([Ivy](http://ant.apache.org/ivy/)) | Scala | `build.sbt` | [Gemnasium](https://gitlab.com/gitlab-org/security-products/gemnasium) |
 
+1. [Pipenv](https://pipenv.pypa.io/en/latest/) projects are scanned when a `Pipfile` is present.
+   Gemnasium scans the exact package versions listed in `Pipfile.lock` when this file is also present.
+
 Plans are underway for supporting the following languages, dependency managers, and dependency files. For details, see the issue link for each.
 
 | Package Managers    | Languages | Supported files | Scan tools | Issue |
 | ------------------- | --------- | --------------- | ---------- | ----- |
-| [Pipenv](https://pipenv.pypa.io/en/latest/) | Python | `Pipfile.lock` | [Gemnasium](https://gitlab.com/gitlab-org/security-products/gemnasium) | [GitLab#11756](https://gitlab.com/gitlab-org/gitlab/-/issues/11756) |
 | [Poetry](https://python-poetry.org/) | Python | `poetry.lock` | [Gemnasium](https://gitlab.com/gitlab-org/security-products/gemnasium) | [GitLab#7006](https://gitlab.com/gitlab-org/gitlab/-/issues/7006) |
 | [sbt](https://www.scala-sbt.org/) 1.3+ ([Coursier](https://get-coursier.io/))| Scala | `build.sbt` | [Gemnasium](https://gitlab.com/gitlab-org/security-products/gemnasium) | [GitLab#271345](https://gitlab.com/gitlab-org/gitlab/-/issues/271345) |