feat: template variables

[brookesargent]

Short description of the changes

Support webhook recipient template variables in Terraform

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 84.17266% with 22 lines in your changes missing coverage. Please review.

Project coverage is 75.69%. Comparing base (f30002c) to head (250a537).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/provider/webhook_recipient_resource.go	84.17%	21 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #583      +/-   ##
==========================================
+ Coverage   75.36%   75.69%   +0.33%     
==========================================
  Files          87       87              
  Lines        7420     7510      +90     
==========================================
+ Hits         5592     5685      +93     
+ Misses       1471     1469       -2     
+ Partials      357      356       -1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[brookesargent]

made some changes to the test file that are a bit annoying to read. I pulled the "errors when they should" t.Run out of the main test and into individual tests that have descriptive names about what exactly is being tested as the number of validations/tests was getting a bit unwieldy

[jharley]

made some changes to the test file that are a bit annoying to read. I pulled the "errors when they should" t.Run out of the main test and into individual tests that have descriptive names about what exactly is being tested as the number of validations/tests was getting a bit unwieldy

This looks great, thank you!

[jharley]

Looks great, one note about a needed docs addition ✨

[jharley]

variable needs to be added as an argument below template