release: stable-7287-2

* ab082478 build: make sure JITSI_RELEASE is passed when invoking make
* 51098745 prosody: update to latest stable
* 343ef56a doc: update README
* 829841e1 jibri: add support for arm64
* 8d5a9cf1 jvb: fix not setting WS server ID
* cffab8f4 jibri: fix log location template
* 94833b5a doc: update README
* d3901bab build: also release a "stable" tag
* 9217b0ac misc: working on unstable