chore: bump ngx-bootstrap from 11.0.2 to 18.1.3 in /webapp #21641

Job	Run time
Compile the app	11m 54s
ci-integration-all-k3d	1h 0m 15s
test-config-default	3m 36s
ci-integration-sentinel-k3d	15m 20s
ci-integration-all-all	12m 58s
test-cht-form	4m 4s
ci-integration-sentinel-all	11m 31s
ci-webdriver-default-mobile-all	7m 47s
Lint translations	1m 6s
ci-webdriver-default-core-minimum-browser	16m 4s
ci-webdriver-default-core	15m 32s
ci-webdriver-default-data	27m 33s
ci-webdriver-default-enketo-minimum-browser	18m 6s
ci-webdriver-default-enketo	17m 16s
ci-webdriver-default-lowLevel	14m 19s
ci-webdriver-default-workflows	32m 7s
Publish branch build	0s
Publish generated docs	0s
Upgrade from ${{ matrix.version }}	0s
	4h 29m 28s

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