Bump pillow from 8.1.1 to 10.3.0 in /src

Bumps [pillow](https://github.com/python-pillow/Pillow) from 8.1.1 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@8.1.1...10.3.0)

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

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Author: dependabot[bot]

src/requirements.txt

@@ -6,7 +6,7 @@ pywin32==227; platform_system == "Windows"
 PyObjC; platform_system == "darwin"
 uflash==1.3.0
 adafruit-circuitpython-fancyled==1.3.3
-Pillow==8.1.1
+Pillow==10.3.0
 adafruit-circuitpython-bitmap_font==1.1.0
 adafruit-circuitpython-display-shapes==1.2.0
 adafruit-circuitpython-neopixel==5.0.0