fix(CDN): use correct types

[vaporoxx]

Please describe the changes this PR makes and why it should be merged:

Fixes some oopsies from #84

Status and versioning classification:

• I know how to update typings and have done so

[codecov]

Codecov Report

Merging #86 (497589a) into main (3105b61) will not change coverage.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##             main      #86   +/-   ##
=======================================
  Coverage   89.03%   89.03%           
=======================================
  Files           9        9           
  Lines        1487     1487           
  Branches      153      153           
=======================================
  Hits         1324     1324           
  Misses         12       12           
  Partials      151      151           

Impacted Files	Coverage Δ
packages/rest/src/lib/CDN.ts	88.83% <0.00%> (ø)

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