backport new interpolation syntax #4932

Job	Run time
integration-test-elixir (1.14.5, 25.3.2.12, alpine-3.19.1)	6m 14s
integration-test-elixir (1.14.5, 25.3.2.12, alpine-3.19.1)	6m 14s
mix test (OTP 22.3 \| Elixir 1.11.4)	1m 1s
mix test (OTP 22.3 \| Elixir 1.11.4)	1m 1s
integration-test-elixir (1.16.2, 26.2.5, alpine-3.19.1)	5m 35s
integration-test-elixir (1.16.2, 26.2.5, alpine-3.19.1)	5m 35s
npm test	19s
npm test	20s
mix test (OTP 23.3 \| Elixir 1.12.3)	1m 15s
mix test (OTP 23.3 \| Elixir 1.12.3)	1m 15s
mix test (OTP 25.3 \| Elixir 1.14.5)	1m 5s
mix test (OTP 25.3 \| Elixir 1.14.5)	1m 5s
mix test (OTP 26.2 \| Elixir 1.16.2)	1m 10s
mix test (OTP 26.2 \| Elixir 1.16.2)	1m 10s
	33m 19s

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