build(deps): bump virtualenv

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.26.6 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@20.26.6...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]

python/cloud-devrel-kokoro-resources/python/requirements.in

@@ -1,2 +1,2 @@
 nox
-virtualenv==20.26.6
+virtualenv==20.36.1

python/cloud-devrel-kokoro-resources/python/requirements.txt

@@ -4,7 +4,6 @@
 #
 #    pip-compile --allow-unsafe --generate-hashes requirements.in
 #
-
 argcomplete==3.6.3 \
     --hash=sha256:62e8ed4fd6a45864acc8235409461b72c9a28ee785a2011cc5eb78318786c89c \
     --hash=sha256:f5007b3a600ccac5d25bbce33089211dfd49eab4a7718da3f10e3082525a92ce
@@ -98,9 +97,13 @@ tomli==2.4.0 \
     # via
     #   dependency-groups
     #   nox
-virtualenv==20.26.6 \
-    --hash=sha256:280aede09a2a5c317e409a00102e7077c6432c5a38f0ef938e643805a7ad2c48 \
-    --hash=sha256:7345cc5b25405607a624d8418154577459c3e0277f5466dd79c49d5e492995f2
+typing-extensions==4.16.0 \
+    --hash=sha256:481caa481374e813c1b176ada14e97f1f67a4539ce9cfeb3f350d78d6370c2e8 \
+    --hash=sha256:dc983d19a509c94dba722ee6abd33940f7c05a89e243c47e907eb4db6f1a43e5
+    # via virtualenv
+virtualenv==20.36.1 \
+    --hash=sha256:575a8d6b124ef88f6f51d56d656132389f961062a9177016a50e4f507bbcc19f \
+    --hash=sha256:8befb5c81842c641f8ee658481e42641c68b5eab3521d8e092d18320902466ba
     # via
     #   -r requirements.in
     #   nox