build: bump virtualenv in /src/ContentProcessorAPI

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.29.1 to 20.30.0.
- [Release notes](https://github.com/pypa/virtualenv/releases)
- [Changelog](https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst)
- [Commits](pypa/virtualenv@20.29.1...20.30.0)

---
updated-dependencies:
- dependency-name: virtualenv
  dependency-version: 20.30.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/ContentProcessorAPI/requirements.txt

@@ -479,9 +479,9 @@ uvloop==0.21.0 ; platform_python_implementation != 'PyPy' and sys_platform != 'c
     --hash=sha256:bfd55dfcc2a512316e65f16e503e9e450cab148ef11df4e4e679b5e8253a5281 \
     --hash=sha256:f3df876acd7ec037a3d005b3ab85a7e4110422e4d9c1571d4fc89b0fc41b6816 \
     --hash=sha256:f7089d2dc73179ce5ac255bdf37c236a9f914b264825fdaacaded6990a7fb4c2
-virtualenv==20.29.1 \
-    --hash=sha256:4e4cb403c0b0da39e13b46b1b2476e505cb0046b25f242bee80f62bf990b2779 \
-    --hash=sha256:b8b8970138d32fb606192cb97f6cd4bb644fa486be9308fb9b63f81091b5dc35
+virtualenv==20.31.1 \
+    --hash=sha256:65442939608aeebb9284cd30baca5865fcd9f12b58bb740a24b220030df46d26 \
+    --hash=sha256:f448cd2f1604c831afb9ea238021060be2c0edbcad8eb0a4e8b4e14ff11a5482
 watchfiles==1.0.5 \
     --hash=sha256:0125f91f70e0732a9f8ee01e49515c35d38ba48db507a50c5bdcad9503af5827 \
     --hash=sha256:0a04059f4923ce4e856b4b4e5e783a70f49d9663d22a4c3b3298165996d1377f \