Bump storybook from 7.6.17 to 7.6.20 in /assets #11146

Job	Run time
Elixir dependencies	28s
Check common misspellings	20s
Npm dependencies	50s
Npm E2E dependencies	22s
Check if the regression test criteria are met, store in the job output	1s
Rebuild main branch dependencies	12s
Generate project documentation	0s
API bc check (V1)	53s
API bc check (V2)	57s
Run FE tests	1m 55s
Chromatic deployment	36s
Test	1m 47s
End to end tests	14m 24s
Static Code Analysis	4m 39s
Regression tests	0s
Build the docker image for the demo environment	0s
Build and push container images	0s
Deploy updated images to the demo environment	0s
Commit to OBS to generate container image	0s
Commit to OBS to generate RPM package	0s
Use photofinish to push mock data to the demo environment	0s
	27m 24s

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