Fix security vulnerabilities

code/cov_tool/requirements.txt

@@ -1,17 +1,17 @@
 contourpy==1.1.0
 cycler==0.12.1
 et-xmlfile==1.1.0
-fonttools==4.42.1
+fonttools>=4.43.0
 graphviz==0.20.1
-Jinja2==3.1.2
+Jinja2>=3.1.3
 kiwisolver==1.4.5
 MarkupSafe==2.1.3
 matplotlib==3.7.2
 numpy==1.26.0
 openpyxl==3.1.2
 packaging==23.2
 pandas==2.1.1
-Pillow==10.0.1
+Pillow>=10.2.0
 pyparsing<3.1.0and>=2.3.1
 python-dateutil==2.8.2
 pytz==2023.3