upgrade testing requirements

tests/requirements.in

@@ -1,7 +1,7 @@
-deepmerge==1.1.1
-email_validator==2.1.1
+deepmerge==2.0
+email_validator==2.2.0
 flask-wtf==1.2.1
 flask==3.0.3
-govuk-frontend-jinja==3.1.0
+govuk-frontend-jinja==3.3.0
 pytest-cov==5.0.0
-pyyaml==6.0.1
+pyyaml==6.0.2

tests/requirements.txt

@@ -8,23 +8,23 @@ blinker==1.8.2
     # via flask
 click==8.1.7
     # via flask
-coverage[toml]==7.5.3
+coverage[toml]==7.6.1
     # via pytest-cov
-deepmerge==1.1.1
+deepmerge==2.0
     # via -r requirements.in
 dnspython==2.6.1
     # via email-validator
-email-validator==2.1.1
+email-validator==2.2.0
     # via -r requirements.in
 flask==3.0.3
     # via
     #   -r requirements.in
     #   flask-wtf
 flask-wtf==1.2.1
     # via -r requirements.in
-govuk-frontend-jinja==3.1.0
+govuk-frontend-jinja==3.3.0
     # via -r requirements.in
-idna==3.7
+idna==3.8
     # via email-validator
 iniconfig==2.0.0
     # via pytest
@@ -41,17 +41,17 @@ markupsafe==2.1.5
     #   jinja2
     #   werkzeug
     #   wtforms
-packaging==24.0
+packaging==24.1
     # via pytest
 pluggy==1.5.0
     # via pytest
-pytest==8.2.1
+pytest==8.3.2
     # via pytest-cov
 pytest-cov==5.0.0
     # via -r requirements.in
-pyyaml==6.0.1
+pyyaml==6.0.2
     # via -r requirements.in
-werkzeug==3.0.3
+werkzeug==3.0.4
     # via flask
 wtforms==3.1.2
     # via flask-wtf