Bump pillow from 10.2.0 to 10.3.0 in /backend

Bumps [pillow](https://github.com/python-pillow/Pillow) from 10.2.0 to 10.3.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@10.2.0...10.3.0)

---
updated-dependencies:
- dependency-name: pillow
  dependency-type: direct:production
...

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

backend/requirements-dev.txt

@@ -103,7 +103,7 @@ et-xmlfile==1.1.0
     #   openpyxl
 executing==2.0.1
     # via stack-data
-faker==24.2.1
+faker==24.4.0
     # via -r requirements-dev.in
 flake8==7.0.0
     # via pytest-flake8
@@ -171,7 +171,7 @@ pathspec==0.12.1
     # via black
 pexpect==4.9.0
     # via ipython
-pillow==10.2.0
+pillow==10.3.0
     # via -r requirements.txt
 pip-tools==7.4.1
     # via -r requirements-dev.in

backend/requirements.in

@@ -25,7 +25,7 @@ dj-database-url~=2.1.0
 
 # file handling
 boto3~=1.34.62
-pillow~=10.2.0
+pillow~=10.3.0
 whitenoise~=6.6.0
 
 # emails

backend/requirements.txt

@@ -94,7 +94,7 @@ openpyxl==3.1.2
     # via tablib
 packaging==24.0
     # via gunicorn
-pillow==10.2.0
+pillow==10.3.0
     # via -r requirements.in
 psutil==5.9.8
     # via -r requirements.in