pip prod(deps): bump tox from 4.16.0 to 4.18.0 in /eng (#2778)

eng/dev_requirements.txt

@@ -2,6 +2,6 @@ azure-pylint-guidelines-checker==0.0.8
 colorama==0.4.6
 debugpy==1.8.5
 pytest==8.3.2
-tox==4.16.0
+tox==4.18.0
 coverage==7.6.1
 black==24.8.0

eng/requirements.txt

@@ -1,5 +1,5 @@
 # This is for CI requirements or dev only
 pyright==1.1.375
 pylint==3.2.6
-tox==4.16.0
+tox==4.18.0
 mypy==1.10.1