fix: replace rate-limited badges with badgen.net #18351

Job	Run time
check-translations	36s
compile	2m 24s
knip	53s
platform-unit-test (windows-latest)	8m 36s
check-openrouter-api-key	4s
platform-unit-test (ubuntu-latest)	4m 21s
integration-test	3m 19s
	20m 13s

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