CI/CD

Bump @glimmer/syntax from 0.86.0 to 0.87.1 #1792

Job	Run time
Test addon (locked dependencies) (ember)	1m 28s
Test compatibility (ember-lts-4.4)	2m 19s
Test addon (locked dependencies) (node)	53s
Test compatibility (ember-lts-4.8)	2m 8s
Lint files	48s
Test addon (locked dependencies) (test-apps)	1m 6s
Test addon (floating dependencies) (ember)	2m 4s
Test compatibility (ember-lts-4.12)	2m 32s
Test compatibility (ember-release)	2m 5s
Test addon (floating dependencies) (node)	1m 22s
Test compatibility (ember-beta)	2m 35s
Test addon (floating dependencies) (test-apps)	1m 20s
Test compatibility (ember-canary)	2m 36s
Test compatibility (embroider-safe)	2m 50s
Deploy app	0s
	26m 6s

Provide feedback