Update babel monorepo to v7.26.7 (minor) #985

Job	Run time
Tests (auth)	1m 15s
Linting (auth)	1m 15s
Tests (component-composition)	1m 16s
Linting (component-composition)	1m 15s
Tests (components)	1m 16s
Tests (core-concepts)	1m 13s
Linting (components)	1m 13s
Linting (core-concepts)	1m 16s
Tests (dependencies)	1m 14s
Linting (dependencies)	1m 14s
Tests (ember-data)	1m 16s
Tests (example-addon)	1m 14s
Linting (ember-data)	1m 16s
Tests (routing)	1m 16s
Linting (example-addon)	1m 14s
Tests (services)	1m 17s
Linting (routing)	1m 16s
Tests (templates)	1m 14s
Linting (services)	1m 13s
Tests (web-sockets)	1m 14s
Linting (templates)	1m 15s
Linting (web-sockets)	1m 13s
	27m 25s

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