handle v1 and v2 api version

[ankitdas13]

Added for Php sdk pr for your reference

https://github.com/razorpay/razorpay-php/pull/348/files#diff-74d71c4d1f9d84b9b0d946ca96eb875274f95d60611611d84cc01cdf6ed04021R42

[ndhaka007]

LGTM

[codecov-commenter]

Codecov Report

Attention: 10 lines in your changes are missing coverage. Please review.

Comparison is base (a283340) 97.86% compared to head (9a43567) 96.83%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #225      +/-   ##
==========================================
- Coverage   97.86%   96.83%   -1.04%     
==========================================
  Files          29       35       +6     
  Lines         515      631     +116     
==========================================
+ Hits          504      611     +107     
- Misses         11       20       +9     

Files	Coverage Δ
lib/razorpay.rb	100.00% <100.00%> (ø)
lib/razorpay/addon.rb	100.00% <100.00%> (ø)
lib/razorpay/card.rb	100.00% <100.00%> (ø)
lib/razorpay/iin.rb	100.00% <100.00%> (ø)
lib/razorpay/order.rb	100.00% <100.00%> (ø)
lib/razorpay/request.rb	94.64% <100.00%> (ø)
lib/razorpay/virtual_account.rb	96.00% <100.00%> (ø)
lib/razorpay/token.rb	92.85% <92.85%> (ø)
lib/razorpay/webhook.rb	96.15% <96.15%> (ø)
lib/razorpay/product.rb	90.00% <90.00%> (ø)
... and 2 more

... and 1 file with indirect coverage changes

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