build

Replace regex-based interpolation with character scanner #24322

Job	Run time
testmask	25s
cleanups	3s
integration-trigger-dependabot	0s
validate-python-codegen	11s
validate-generated-is-up-to-date	25s
integration-trigger	7s
make test-exp-aitools (ubuntu-latest)	2m 18s
make test-pipelines (ubuntu-latest)	2m 34s
make test-exp-ssh (ubuntu-latest)	2m 11s
make test-exp-aitools (macos-latest)	2m 31s
make test-pipelines (macos-latest)	2m 7s
make test-exp-ssh (windows-latest)	4m 6s
make test (macos, direct)	9m 47s
make test-exp-ssh (macos-latest)	2m 27s
make test (windows, direct)	11m 14s
make test (linux, direct)	5m 32s
make test-pipelines (windows-latest)	4m 26s
make test (windows, terraform)	16m 34s
make test (macos, terraform)	12m 40s
make test (linux, terraform)	10m 5s
test-result	4s
	1h 29m 47s

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