Softened the language in the Pro upgrade modal #1919

Job	Run time
units / 🧪 Unit Tests	1m 51s
typecheck / typecheck	2m 27s
e2e / 🧪 CLI v3 tests (buildjet-8vcpu-ubuntu-2204 - npm)	2m 35s
e2e / 🧪 CLI v3 tests (buildjet-8vcpu-ubuntu-2204 - pnpm)	1m 50s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	5m 1s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	4m 38s
Preview Release	2m 6s
	20m 28s

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