Pontoon: Update Kabyle (kab) localization of Mozilla Activate

Co-authored-by: K_ahina <kahinamessaoudi03@gmail.com>

public/locales/kab/campaigns.ftl

@@ -5,4 +5,5 @@ firefox-preview-respond-sprint-duration = Seg 13 unbir ɣer 2 dujember 2019
 firefoxaccounts-sprint-duration = Seg 25 unbir ɣer 31 dujember 2019
 soti-sprint-title = Bḍu tiktiwin-ik ɣef tdamsa n uqareɛ
 soti-sprint-duration = Seg 17 dujember 2019 ɣer 2 yennayer 2020
+firefox-voice-sprint-description = Taɣect n Firefox d tirmit sɣur Mozilla ara k-yeǧǧen ad tinigeḍ, ad tgeḍ ugar s taɣect-ik—d arurad ugar n zik. Nettnadi ɣef wid ur nettaggad ara i yebɣan ad skeyden azegzir amaynut akken ad aɣ-d-fken tiktiwin-nsen send ad yeffeɣ ɣer medden meṛṛa. Twejdeḍ ad d-ternuḍ ɣur-neɣ? Sebded azegrir n yiminig, syin ssuter akk internet s taɣect-ik kan.
 firefox-voice-sprint-duration = Seg 9 dujember 2019 ɣer 31 yennayer 2020