Bump virtualenv from 20.30.0 to 20.36.1 in /doc

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.30.0 to 20.36.1.
- [Release notes](https://github.com/pypa/virtualenv/releases)
- [Changelog](https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst)
- [Commits](pypa/virtualenv@20.30.0...20.36.1)

---
updated-dependencies:
- dependency-name: virtualenv
  dependency-version: 20.36.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

doc/requirements_test.txt

@@ -617,9 +617,9 @@ typing-extensions==4.13.1 ; python_version >= "3.10" and python_version < "3.13"
 tzdata==2025.2 ; python_version >= "3.10" and python_version < "4" \
     --hash=sha256:1a403fada01ff9221ca8044d701868fa132215d84beb92242d9acd2147f667a8 \
     --hash=sha256:b60a638fcc0daffadf82fe0f57e53d06bdec2f36c4df66280ae79bce6bd6f2b9
-virtualenv==20.30.0 ; python_version >= "3.10" and python_version < "4" \
-    --hash=sha256:800863162bcaa5450a6e4d721049730e7f2dae07720e0902b0e4040bd6f9ada8 \
-    --hash=sha256:e34302959180fca3af42d1800df014b35019490b119eba981af27f2fa486e5d6
+virtualenv==20.36.1 ; python_version >= "3.10" and python_version < "4" \
+    --hash=sha256:575a8d6b124ef88f6f51d56d656132389f961062a9177016a50e4f507bbcc19f \
+    --hash=sha256:8befb5c81842c641f8ee658481e42641c68b5eab3521d8e092d18320902466ba
 wcwidth==0.2.13 ; python_version >= "3.10" and python_version < "4" \
     --hash=sha256:3da69048e4540d84af32131829ff948f1e022c1c6bdb8d6102117aac784f6859 \
     --hash=sha256:72ea0c06399eb286d978fdedb6923a9eb47e1c486ce63e9b4e64fc18303972b5