[github-actions] fix NCP border routing setup #5330

Job	Run time
Border Router (mDNSResponder)	29m 32s
Border Router (mDNSResponder)	29m 32s
Border Router (mDNSResponder)	29m 32s
Border Router (Avahi)	29m 19s
Border Router (Avahi)	29m 19s
Border Router (Avahi)	29m 19s
Border Router TREL (mDNSResponder)	29m 17s
Border Router TREL (mDNSResponder)	29m 17s
Border Router TREL (mDNSResponder)	29m 17s
Border Router TREL (Avahi)	29m 53s
Border Router TREL (Avahi)	29m 53s
Border Router TREL (Avahi)	29m 53s
Border Router MATN (mDNSResponder)	18m 19s
Border Router MATN (mDNSResponder)	18m 19s
Border Router MATN (mDNSResponder)	18m 19s
Border Router Internet Access Features (mDNSResponder)	26m 1s
Border Router Internet Access Features (mDNSResponder)	26m 1s
Border Router Internet Access Features (mDNSResponder)	26m 1s
Backbone Router	18m 7s
Backbone Router	18m 7s
Backbone Router	18m 7s
Border Router TREL with FEATURE_FLAG (avahi)	29m 16s
Border Router TREL with FEATURE_FLAG (avahi)	29m 4s
Border Router TREL with FEATURE_FLAG (avahi)	29m 41s
	10h 29m 25s

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