Update portainer to 2.21.3 (#1615)

portainer/docker-compose.yml

@@ -27,7 +27,7 @@ services:
       - ${APP_DATA_DIR}/data/docker:/data
 
   portainer:
-    image: portainer/portainer-ce:2.21.2@sha256:fcd79694da039537aa4c287f0e0a140f6d356fec3128774523e77fc66e0b6de3
+    image: portainer/portainer-ce:2.21.3@sha256:ff9ac3a6e57fb94a489bd3cc02bb0da3887cb2aa6ddbde3e429b1da2bd5826d5
     command: --host unix:///var/run/docker.sock --admin-password-file=/default-password
     restart: on-failure
     volumes:

portainer/umbrel-app.yml

@@ -2,7 +2,7 @@ manifestVersion: 1
 id: portainer
 category: developer
 name: Portainer
-version: "2.21.2"
+version: "2.21.3"
 tagline: Run custom Docker containers on your Umbrel
 description: >-
   ⚠️ Make sure to only use named Docker volumes for your stacks and containers. Data in bind-mounted volumes
@@ -53,8 +53,8 @@ defaultPassword: "changeme"
 releaseNotes: >-
   This update includes improvements to stability and performance, as well as some bug fixes:
 
-    - Fixed an issue with stack deployment on Docker when using a .env file from a Git Repository
-    - Updated Linode branding to align with the new "Akamai Connected Cloud"
+    - Improved home page search performance, addressing slow response times in certain environments
+    - Fixed an issue where the CRL (Certificate Revocation List) request timeout may be too short, causing potential connection issues
 
 
   Full release notes are found at https://github.com/portainer/portainer/releases.