Drop older TS as Glint doesn't support it

[NullVoxPopuli]

Requires: #714

TODO:

• read through RFC: Semantic Versioning for TypeScript Types emberjs/rfcs#730 to determine what should be the semver impacts here

[changeset-bot]

🦋 Changeset detected

Latest commit: 42ef1d3

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

This PR includes changesets to release 1 package

Name	Type
ember-resources	Major

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Estimated impact to a consuming app, depending on which bundle is imported

	js	min	min + gzip	min + brotli
/index.js	18.9 kB	3.35 kB	1.36 kB	1.19 kB
├── core/class-based/index.js	8.38 kB	1.88 kB	929 B	798 B
├── core/function-based/index.js	6.9 kB	576 B	269 B	215 B
└── core/use.js	2.91 kB	415 B	256 B	203 B
/util/cell.js	2.28 kB	917 B	434 B	366 B
/util/debounce.js	2.64 kB	771 B	407 B	339 B
/util/ember-concurrency.js	4.33 kB	1.53 kB	733 B	626 B
/util/function-resource.js	245 B	181 B	131 B	94 B
/util/function.js	4.85 kB	3.02 kB	1.06 kB	911 B
/util/helper.js	1.79 kB	303 B	218 B	177 B
/util/keep-latest.js	1.75 kB	512 B	296 B	235 B
/util/map.js	5.19 kB	2.13 kB	919 B	791 B
/util/remote-data.js	4.86 kB	1.75 kB	675 B	596 B

[github-actions]

Preview URLs

readme: https://25649971.ember-resources.pages.dev
api docs: https://25649971.ember-resources.pages.dev/modules.html