fix: Backend/Services/Core.API/API/src/requirements.txt to reduce vul…

…nerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-6514866

Backend/Services/Core.API/API/src/requirements.txt

@@ -19,7 +19,7 @@ MarkupSafe==2.1.1
 mkdir==2020.12.3
 moviepy==1.0.3
 numpy==1.22.3
-Pillow==9.1.1
+Pillow==10.3.0
 proglog==0.1.9
 pydub==0.25.1
 pygame==2.1.3.dev4