chore(deps): update postgres docker tag to v18

Author: renovate[bot]

.github/workflows/ci.yml

@@ -215,7 +215,7 @@ jobs:
           - 6379:6379
         options: --entrypoint redis-server
       postgres:
-        image: postgres:16.13
+        image: postgres:18.3@sha256:a9abf4275f9e99bff8e6aed712b3b7dfec9cac1341bba01c1ffdfce9ff9fc34a
         env:
           POSTGRES_USER: postgres
           POSTGRES_DB: postgres
@@ -282,7 +282,7 @@ jobs:
           - 6379:6379
         options: --entrypoint redis-server
       postgres:
-        image: postgres:16.13
+        image: postgres:18.3@sha256:a9abf4275f9e99bff8e6aed712b3b7dfec9cac1341bba01c1ffdfce9ff9fc34a
         env:
           POSTGRES_USER: postgres
           POSTGRES_DB: postgres
@@ -361,7 +361,7 @@ jobs:
           - 6379:6379
         options: --entrypoint redis-server
       postgres:
-        image: postgres:16.13
+        image: postgres:18.3@sha256:a9abf4275f9e99bff8e6aed712b3b7dfec9cac1341bba01c1ffdfce9ff9fc34a
         env:
           POSTGRES_USER: postgres
           POSTGRES_DB: postgres
@@ -403,7 +403,7 @@ jobs:
           - 6379:6379
         options: --entrypoint redis-server
       postgres:
-        image: postgres:16.13
+        image: postgres:18.3@sha256:a9abf4275f9e99bff8e6aed712b3b7dfec9cac1341bba01c1ffdfce9ff9fc34a
         env:
           POSTGRES_USER: postgres
           POSTGRES_DB: postgres

.github/workflows/e2e.yml

@@ -57,7 +57,7 @@ jobs:
           - 6379:6379
         options: --entrypoint redis-server
       postgres:
-        image: postgres:16.13
+        image: postgres:18.3@sha256:a9abf4275f9e99bff8e6aed712b3b7dfec9cac1341bba01c1ffdfce9ff9fc34a
         env:
           POSTGRES_USER: postgres
           POSTGRES_DB: postgres