Update redis Docker tag to v7.4 (#158)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

docker/docker-compose-aspnetcore/docker-compose.oats.yml

@@ -13,7 +13,7 @@ services:
       - redis
       - mssql
   redis:
-    image: redis:7.2
+    image: redis:7.4
     ports:
       - "6379:6379"
     healthcheck:

docker/docker-compose-aspnetcore/docker-compose.self-contained.oats.yml

@@ -16,7 +16,7 @@ services:
       - redis
       - mssql
   redis:
-    image: redis:7.2
+    image: redis:7.4
     ports:
       - "6379:6379"
     healthcheck:

docker/docker-compose-aspnetcore/docker-compose.yml

@@ -10,7 +10,7 @@ services:
     ports:
       - "8080:8080" # for OATs
   redis:
-    image: redis:7.2
+    image: redis:7.4
     ports:
       - "6379:6379"
   mssql: