Kaltura CE 15.5.0 released

kaltura-base (15.5.0) changelog:

• Reach-audioDescription: Add clear audio flavor param ID to catalog definition (kaltura/server#8701)
• SUP-18989: check if PID enforce HTTPS API and modify Report Service URL accordingly (kaltura/server#8697)
• maxExecutionTime=6000,for 4K/H265 chunks (kaltura/server#8694)
• SUP-18972: Set the source entry ID when clipping/trimming from remote dc (kaltura/server#8689)
• Add missing eventNotification directives (kaltura/server#8680)
• PLAT-9986: Add monitoring proxy partner, permissions and e-mail alert (kaltura/server#8677)

kaltura-kmcng (v5.13.1) changelog:

• entries/metadata: Fix custom metadata search in refine filter (#858) (8f16be3)

kaltura-html5lib (v2.78) changelog:

• SUP-18895 - Vertical Space for Thai Captions is too narrow
• FEC-9241 - [Player_V2][Playback] - When post-roll is finished, the video replays automatically
• SUP-18987 - When we embed a playlist vertically, the 360 videos show a little wider than when we embed a playlist horizontally.
• FEC-8849 - V2 - Update HLS.JS to version 12
• FEC-9034 - V2 player - allow more than one audio asset with same language code
• FEV-248 [IVQ Player] Welcome screen - need to update text & icons (#4053)
• FEV-250 change styles for selected multiple-choice button (#4050)