doc: Update backends in readme (#404) #1481

Job	Run time
Actions Security	12s
Vulnerabilities	28s
Build and Smoke tests (ubuntu-latest, 3.10, false)	48s
Documentation Style Check	20s
Build and Smoke tests (ubuntu-latest, 3.11, false)	56s
Build and Smoke tests (windows-latest, 3.11, false)	2m 15s
Update CHANGELOG (on release)	0s
Build and Smoke tests (windows-latest, 3.13, false)	3m 23s
Build and Smoke tests (windows-latest, 3.10, false)	1m 46s
Build and Smoke tests (windows-latest, 3.12, false)	2m 5s
Build and Smoke tests (ubuntu-latest, 3.12, false)	49s
Build and Smoke tests (ubuntu-latest, 3.13, false)	58s
Documentation Build	4m 50s
Run Unit Tests	1m 31s
Package library	19s
Upload dev documentation	57s
Release project	0s
Upload release documentation	0s
	21m 37s

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