[CE] Update phusion image version to `1.0.3` (#33885)

GitOrigin-RevId: cc707258e145849f3bc1ddb6b44f7eca8c904d74

server-ce/Dockerfile-base

@@ -2,7 +2,7 @@
 # Overleaf Base Image (sharelatex/sharelatex-base)
 # --------------------------------------------------
 
-FROM phusion/baseimage:noble-1.0.2
+FROM phusion/baseimage:noble-1.0.3
 
 # Makes sure LuaTex cache is writable
 # -----------------------------------
@@ -10,7 +10,7 @@ ENV TEXMFVAR=/var/lib/overleaf/tmp/texmf-var
 
 # Update to ensure dependencies are updated
 # ------------------------------------------
-ENV REBUILT_AFTER="2026-01-13"
+ENV REBUILT_AFTER="2026-05-21"
 
 # Install dependencies
 # --------------------