chore: bump signature_pad from 2.3.2 to 5.0.3 in /webapp #19916

Job	Run time
Compile the app	11m 23s
test-config-default	3m 13s
ci-integration-all-k3d	17m 32s
ci-integration-sentinel-k3d	17m 2s
test-cht-form	3m 51s
Lint translations	26s
ci-integration-all-all	11m 49s
ci-integration-sentinel-all	10m 35s
ci-webdriver-default-mobile-all	5m 27s
ci-webdriver-default-core-minimum-browser	10m 52s
ci-webdriver-default-core	10m 21s
ci-webdriver-default-data	12m 10s
ci-webdriver-default-enketo-minimum-browser	10m 20s
ci-webdriver-default-enketo	9m 58s
ci-webdriver-default-lowLevel	12m 20s
ci-webdriver-default-workflows	17m 49s
Publish branch build	0s
Upgrade from ${{ matrix.version }}	0s
Publish generated docs	0s
	2h 45m 8s

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