Update dependency ember-source to v6.2.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ember-source (source)	6.0.1 -> 6.2.0

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Release Notes

emberjs/ember.js (ember-source)

v6.2.0

Compare Source

• #​20798 [CLEANUP] Remove old code that supported old ember-test-helpers
• #​20809 [CLEANUP] Remove long enabled EMBER_TYPESCRIPT_BLUEPRINTS feature flag
• #​20811 Fix typescript@next support

v6.1.0

Compare Source

• #​20782 [BUGFIX] Fixes Ember keyword shadowing: keywords should always be superseded by in-scope lexical variables
• #​20787 Publish ember-source as v2 addon

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[eth3lbert]

I stopped the workflow job, which appears to have been stuck for hours (4h 34m) 😅