`wrangler pages dev` compat date and flags

[GregBrimble]

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Fixes #495

---

feat: Adds --compatibility-date and --compatibility-flags to wrangler pages dev

Soon to follow in production.

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 4d0fb440061307bc0d080613e412166cdc460901

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
wrangler	Patch

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[github-actions[bot]]

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/2841327681/npm-package-wrangler-1663

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

npm install --save-dev https://prerelease-registry.developers.workers.dev/prs/1663/npm-package-wrangler-1663

Or you can use npx with this latest build directly:

npx https://prerelease-registry.developers.workers.dev/runs/2841327681/npm-package-wrangler-1663 dev path/to/script.js

[codecov[bot]]

Codecov Report

Merging #1663 (4d0fb44) into main (db592f0) will increase coverage by 0.00%. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #1663   +/-   ##
=======================================
  Coverage   81.60%   81.61%           
=======================================
  Files          89       89           
  Lines        5921     5924    +3     
  Branches     1520     1522    +2     
=======================================
+ Hits         4832     4835    +3     
  Misses       1089     1089           

Impacted Files	Coverage Δ
packages/wrangler/src/api/dev.ts	15.38% <ø> (ø)
packages/wrangler/src/dev.tsx	82.19% <100.00%> (ø)
packages/wrangler/src/pages/dev.tsx	23.35% <100.00%> (+0.46%)	:arrow_up:
packages/wrangler/src/tail/printing.ts	85.71% <0.00%> (-1.79%)	:arrow_down:
packages/wrangler/src/tail/filters.ts	97.87% <0.00%> (+0.04%)	:arrow_up:
...ackages/wrangler/src/__tests__/helpers/mock-bin.ts	100.00% <0.00%> (+5.26%)	:arrow_up: