Updated all backend dependencies

pyproject.toml

@@ -10,16 +10,16 @@ Django = "^4.2.4"
 psycopg2-binary = "^2.9.1"
 requests = "^2.26.0"
 gbif-blocking-occurrence-download = "^0.1.0"
-python-dwca-reader = "^0.15.1"
+python-dwca-reader = "0.16.0"
 jinjasql = "^0.1.8"
 django-crispy-forms = "^2.1"
-crispy-bootstrap5 = "^2023.10"
-django-maintenance-mode = "^0.19.0"
+crispy-bootstrap5 = "2024.2"
+django-maintenance-mode = "0.21.1"
 django-import-export = "^3.2.0"
 django-cors-headers = "^4.2.0"
 django-markdownx = "^4.0.2"
 django-rq = "^2.5.1"
-html2text = "^2020.1.16"
+html2text = "2024.2.25"
 Jinja2 = "3.0.3" # just needed for JinjaSQL, but it currently has a tendency to download an incompatible version (3.1.1). I hope we'll be able to remove that fake dependency once JinjaSQL gets updated (https://github.com/sripathikrishnan/jinjasql/issues/50)
 django-taggit = "^5.0.1"
 django-modeltranslation = "^0.18.9"