chore(deps): update postgres docker tag to v18 (#1784)

Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>
Co-authored-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>

Author: renovate-sh-app[bot]

.github/workflows/pull-request.yml

@@ -54,7 +54,7 @@ jobs:
 
     services:
       database:
-        image: postgres:17.6@sha256:00bc86618629af00d2937fdc5a5d63db3ff8450acf52f0636ec813c7f4902929
+        image: postgres:18.0@sha256:41fc5342eefba6cc2ccda736aaf034bbbb7c3df0fdb81516eba1ba33f360162c
         env:
           POSTGRES_DB: demo
           POSTGRES_PASSWORD: postgres

.github/workflows/release.yml

@@ -52,7 +52,7 @@ jobs:
 
     services:
       database:
-        image: postgres:17.6@sha256:00bc86618629af00d2937fdc5a5d63db3ff8450acf52f0636ec813c7f4902929
+        image: postgres:18.0@sha256:41fc5342eefba6cc2ccda736aaf034bbbb7c3df0fdb81516eba1ba33f360162c
         env:
           POSTGRES_DB: demo
           POSTGRES_PASSWORD: postgres