Bump pygments from 2.12.0 to 2.15.0

Bumps [pygments](https://github.com/pygments/pygments) from 2.12.0 to 2.15.0.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.12.0...2.15.0)

---
updated-dependencies:
- dependency-name: pygments
  dependency-type: indirect
...

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

requirements-dev.txt

@@ -182,6 +182,10 @@ gitpython==3.1.27
     # via bandit
 govuk-frontend-jinja==2.3.0
     # via -r requirements.txt
+greenlet==2.0.2
+    # via
+    #   -r requirements.txt
+    #   sqlalchemy
 gunicorn==20.1.0
     # via
     #   -r requirements.txt
@@ -292,7 +296,7 @@ pyee==6.0.0
     # via
     #   -r requirements.txt
     #   flipper-client
-pygments==2.12.0
+pygments==2.15.0
     # via
     #   -r requirements.txt
     #   rich
@@ -336,7 +340,7 @@ pytest-flask==1.2.0
     # via -r requirements-dev.in
 pytest-html==3.1.1
     # via pytest-selenium
-pytest-metadata==2.0.1
+pytest-metadata==3.0.0
     # via pytest-html
 pytest-mock==3.10.0
     # via -r requirements-dev.in
@@ -400,10 +404,6 @@ ruamel-yaml==0.17.21
     # via
     #   -r requirements.txt
     #   prance
-ruamel-yaml-clib==0.2.7
-    # via
-    #   -r requirements.txt
-    #   ruamel-yaml
 s3transfer==0.6.1
     # via
     #   -r requirements.txt
@@ -466,11 +466,7 @@ toml==0.10.2
     #   dparse
     #   pre-commit
 tomli==2.0.1
-    # via
-    #   black
-    #   build
-    #   pyproject-hooks
-    #   pytest
+    # via pytest
 trio==0.21.0
     # via
     #   selenium

requirements.txt

@@ -105,6 +105,8 @@ funding-service-design-utils==2.0.14
     # via -r requirements.in
 govuk-frontend-jinja==2.3.0
     # via -r requirements.in
+greenlet==2.0.2
+    # via sqlalchemy
 gunicorn==20.1.0
     # via funding-service-design-utils
 idna==3.3
@@ -161,7 +163,7 @@ pycparser==2.21
     # via cffi
 pyee==6.0.0
     # via flipper-client
-pygments==2.12.0
+pygments==2.15.0
     # via rich
 pyjwt[crypto]==2.4.0
     # via
@@ -209,8 +211,6 @@ rich==12.4.4
     # via funding-service-design-utils
 ruamel-yaml==0.17.21
     # via prance
-ruamel-yaml-clib==0.2.7
-    # via ruamel-yaml
 s3transfer==0.6.1
     # via boto3
 semver==2.13.0