[Backport 2.x] Disable following redirects for webhooks

[opensearch-trigger-bot]

Backport 3e72775 from #507

[codecov-commenter]

Codecov Report

Merging #509 (fb5de54) into 2.x (cb86ddf) will decrease coverage by 9.34%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##                2.x     #509      +/-   ##
============================================
- Coverage     70.79%   61.45%   -9.35%     
  Complexity      112      112              
============================================
  Files           124       73      -51     
  Lines          3945     2467    -1478     
  Branches        618      266     -352     
============================================
- Hits           2793     1516    -1277     
+ Misses          971      773     -198     
+ Partials        181      178       -3     

Flag	Coverage Δ
dashboards-notifications	?
opensearch-notifications	61.45% <100.00%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...notifications/core/client/DestinationHttpClient.kt	86.76% <100.00%> (+0.19%)	⬆️
...ns/public/components/ContentPanel/ContentPanel.tsx
...es/Channels/components/modals/DetailsListModal.tsx
...ls/components/modals/DeleteRecipientGroupModal.tsx
...el/components/modals/CreateRecipientGroupModal.tsx
...lic/pages/CreateChannel/components/SNSSettings.tsx
...cations/public/pages/CreateChannel/utils/helper.ts
...blic/pages/CreateChannel/utils/validationHelper.ts
...tions/public/pages/CreateChannel/CreateChannel.tsx
...nnels/components/details/ChannelDetailsActions.tsx
... and 42 more

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