fix: respect variable binding type when printing

[rozenmd]

Closes #1750

[github-actions]

A wrangler prerelease is available for testing. You can install this latest build in your project with:

npm install --save-dev https://prerelease-registry.developers.workers.dev/runs/3142482448/npm-package-wrangler-1939

You can reference the automatically updated head of this PR with:

npm install --save-dev https://prerelease-registry.developers.workers.dev/prs/1939/npm-package-wrangler-1939

Or you can use npx with this latest build directly:

npx https://prerelease-registry.developers.workers.dev/runs/3142482448/npm-package-wrangler-1939 dev path/to/script.js

Additional artifacts:

npm install https://prerelease-registry.developers.workers.dev/runs/3142482448/npm-package-cloudflare-pages-shared-1939

[codecov]

Codecov Report

Merging #1939 (fde3bee) into main (7ebaec1) will decrease coverage by 0.10%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1939      +/-   ##
==========================================
- Coverage   75.22%   75.11%   -0.11%     
==========================================
  Files         116      116              
  Lines        7907     7929      +22     
  Branches     2057     2065       +8     
==========================================
+ Hits         5948     5956       +8     
- Misses       1959     1973      +14     

Impacted Files	Coverage Δ
packages/wrangler/src/config/index.ts	92.30% <100.00%> (+0.55%)	⬆️
packages/wrangler/src/proxy.ts	16.58% <0.00%> (-1.27%)	⬇️
...ackages/wrangler/src/__tests__/helpers/mock-bin.ts	100.00% <0.00%> (+5.26%)	⬆️