ci: use hotfix branches for patch tests

[ankush]

I was an idiot when I made tests run on the release branch... it can't be changed quickly and patches will just keep failing 😄

Changed to hotfix branch for now.

[codecov]

Codecov Report

Merging #28330 (08205e4) into develop (6d05bb5) will increase coverage by 0.06%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop   #28330      +/-   ##
===========================================
+ Coverage    55.19%   55.25%   +0.06%     
===========================================
  Files         1119     1119              
  Lines        66539    66539              
===========================================
+ Hits         36726    36768      +42     
+ Misses       29813    29771      -42     

Impacted Files	Coverage Δ
...ctype/woocommerce_settings/woocommerce_settings.py	80.00% <0.00%> (-4.00%)	⬇️
.../report/stock_projected_qty/stock_projected_qty.py	88.15% <0.00%> (-1.32%)	⬇️
erpnext/accounts/deferred_revenue.py	75.11% <0.00%> (-0.89%)	⬇️
erpnext/stock/reorder_item.py	76.06% <0.00%> (-0.86%)	⬇️
...ype/account/chart_of_accounts/chart_of_accounts.py	77.24% <0.00%> (-0.69%)	⬇️
...stock/doctype/purchase_receipt/purchase_receipt.py	90.29% <0.00%> (-0.27%)	⬇️
erpnext/accounts/utils.py	59.04% <0.00%> (-0.19%)	⬇️
erpnext/portal/utils.py	28.98% <0.00%> (ø)
...xt/accounts/doctype/sales_invoice/sales_invoice.py	78.81% <0.00%> (+0.08%)	⬆️
erpnext/portal/product_configurator/utils.py	33.46% <0.00%> (+0.40%)	⬆️
... and 10 more