Support adding header to wasm http request containing runtime token

[ianthomas23]

Support adding header to wasm http request containing runtime token.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.52%. Comparing base (17279da) to head (bea1fcf).
⚠️ Report is 27 commits behind head on main.

Additional details and impacted files

@@ Coverage Diff @@## main #153 +/- ##
==========================================
- Coverage 88.55% 88.52% -0.04% 
==========================================
Files 62 62 Lines 2884 2884 Branches 358 358 ==========================================
- Hits 2554 2553 -1 - Misses 330 331 +1 

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