update requirements

requirements.txt

@@ -1,18 +1,18 @@
 beautifulsoup4==4.12.3
-bleach==4.0.0
-bleach-whitelist>=0.0.11
+bleach==6.1.0
+bleach-allowlist>=1.0.3
 certifi==2024.7.4
 cffi==1.16.0
 chardet==3.0.4
 cryptography==42.0.8
-Django==2.2.9
+Django==5.0.7
 django-after-response==0.2.2
-django-bootstrap4==22.1
+django-bootstrap4==24.3
 django-health-check==3.12.1
-djangorestframework==3.13.1
+djangorestframework==3.15.2
 emoji-data-python==1.5.0
 gunicorn==22.0.0
-git+https://github.com/hmcts/[email protected].7#egg=response
+git+https://github.com/hmcts/[email protected].8#egg=response
 idna==3.7
 jsonfield==3.1.0
 markdown2==2.4.13
@@ -23,7 +23,7 @@ python-slugify==8.0.4
 pytz==2020.5
 requests==2.31.0
 six==1.16.0
-slackclient==1.3.1
+slack_sdk==3.31.0
 soupsieve==2.0.1
 sqlparse==0.4.3
 text-unidecode==1.3