Update Pi-Hole to v5.18.4 (#408)

Co-authored-by: Steven Briscoe <me@stevenbriscoe.com>

pi-hole/docker-compose.yml

@@ -8,7 +8,7 @@ services:
       PROXY_AUTH_ADD: "false"
   
   server:
-    image: pihole/pihole:2022.12@sha256:773ed874ca7244b04da6470eb1e596c5c8960afe14fda3162e29ab4d79c3d239
+    image: pihole/pihole:2023.02.0@sha256:65047a58be709cbfee9586ed224e7e1fd49233be4074e1659baee335105093f2
     # Pi-hole doesn't currently support running as non-root
     # https://github.com/pi-hole/docker-pi-hole/issues/685
     # user: "1000:1000"

pi-hole/umbrel-app.yml

@@ -2,7 +2,7 @@ manifestVersion: 1.1
 id: pi-hole
 category: Networking
 name: Pi-hole
-version: "5.18"
+version: "5.18.4"
 tagline: Block ads on your entire network
 description: >-
   Instead of browser plugins or other software on each computer,
@@ -31,16 +31,17 @@ defaultUsername: ""
 deterministicPassword: true
 torOnly: false
 releaseNotes: >-
-  Various internal improvements:
+  - FTL v5.21
   
-  - FTL v5.20
+  - Core v5.14.4
   
-  - Fix doughnutTooltip if total percentage of shown slices is less than 0.1%.
+  - db_queries.php: use the same color scheme from Dashboard by @rdwebdesign in pi-hole/AdminLTE#2517
   
-  - Require auth for more API endpoints.
+  - Fix multiple restarts while importing with Teleporter by @yubiuser in pi-hole/AdminLTE#2519
   
-  - Increase small-box footer contrast ratio.
+  - Use the setupVars.conf option TEMPERATUREUNIT, plus slight rearrangement of settings page by @rdwebdesign in pi-hole/AdminLTE#2516
   
-  - A fix for the following advisory: GHSA-6qh8-6rrj-7497
+  
+  Full changelog available here: https://github.com/pi-hole/AdminLTE/compare/v5.18...v5.18.4 
 submitter: Umbrel
 submission: https://github.com/getumbrel/umbrel/commit/9ca55a25e043dcd50d5cb92c6ec756d368bb4794