test(ProductiveCard): add avt test coverage

[devadula-nandan]

Closes #6472

adds accessibility tests for productive card

Since we are in v12 OverflowMenu. i noticed that passing aria-label prop to v12 OverflowMenu spreads it to the overflow menu container which is a div and is reported as violation
v12 OverflowMenu uses single Label prop to set tooltip text on menu button and aria-label for list container (ul)
which means we might need to deprecate either iconDescription or overflowAriaLabel as Label prop handles both with v12 OverflowMenu.

useful references
#5803
#6395

i have passed label as below, and awaiting for any review suggestions

label={iconDescription || overflowAriaLabel}

What did you change?

e2e/components/ProductiveCard/ProductiveCard-test.avt.e2e.js
packages/ibm-products/src/components/Card/Card.tsx

How did you test and verify your work?

yarn avt

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.84%. Comparing base (9fdf057) to head (f1cfe3c).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6518      +/-   ##
==========================================
- Coverage   79.85%   79.84%   -0.01%     
==========================================
  Files         394      394              
  Lines       12877    12878       +1     
  Branches     4258     4259       +1     
==========================================
  Hits        10283    10283              
- Misses       2594     2595       +1     

Components	Coverage Δ
ibm-products	∅ <ø> (∅)
ibm-products-web-components	∅ <ø> (∅)