[TASK] Release PrusaSlicer 2.9.0+BOSS

Author: mjonuschat

version.inc

@@ -4,7 +4,7 @@
 set(SLIC3R_APP_NAME "PrusaSlicer")
 set(SLIC3R_APP_KEY "PrusaSlicer")
 set(SLIC3R_VERSION "2.9.0")
-set(SLIC3R_BUILD_ID "PrusaSlicer-${SLIC3R_VERSION}+UNKNOWN")
+set(SLIC3R_BUILD_ID "PrusaSlicer-${SLIC3R_VERSION}+BOSS")
 set(SLIC3R_RC_VERSION "2,9,0,0")
 set(SLIC3R_RC_VERSION_DOTS "2.9.0.0")