Refresh Python dependencies

Author: mdmintz

requirements.txt

@@ -4,7 +4,7 @@ setuptools~=70.2;python_version<"3.10"
 setuptools>=82.0.0;python_version>="3.10"
 wheel>=0.46.3
 attrs>=25.4.0
-certifi>=2026.1.4
+certifi>=2026.2.25
 exceptiongroup>=1.3.1
 websockets~=15.0.1;python_version<"3.10"
 websockets>=16.0;python_version>="3.10"
@@ -29,7 +29,6 @@ pyreadline3>=3.5.4;platform_system=="Windows"
 tabcompleter>=1.4.0
 pdbp>=1.8.2
 idna>=3.11
-chardet==5.2.0
 charset-normalizer>=3.4.4,<4
 urllib3>=1.26.20,<2;python_version<"3.10"
 urllib3>=1.26.20,<3;python_version>="3.10"

setup.py

@@ -152,7 +152,7 @@
         'setuptools>=82.0.0;python_version>="3.10"',
         'wheel>=0.46.3',
         'attrs>=25.4.0',
-        'certifi>=2026.1.4',
+        'certifi>=2026.2.25',
         'exceptiongroup>=1.3.1',
         'websockets~=15.0.1;python_version<"3.10"',
         'websockets>=16.0;python_version>="3.10"',
@@ -177,7 +177,6 @@
         'tabcompleter>=1.4.0',
         'pdbp>=1.8.2',
         'idna>=3.11',
-        'chardet==5.2.0',
         'charset-normalizer>=3.4.4,<4',
         'urllib3>=1.26.20,<2;python_version<"3.10"',
         'urllib3>=1.26.20,<3;python_version>="3.10"',