feat(database-lab): add local database test environments

deploy/database/redis/7.4/compose.yaml

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+services:
+  database:
+    image: docker.cnb.cool/znb/images/redis:7.4.9-alpine
+    container_name: dbx-redis-7.4
+    command: ["redis-server", "--appendonly", "yes", "--requirepass", "${DB_PASSWORD:-123456}"]
+    environment:
+      # Keep the password in container env so CMD-SHELL can quote it safely.
+      REDIS_PASSWORD: "${DB_PASSWORD:-123456}"
+    ports:
+      - "${DB_BIND_ADDRESS:-127.0.0.1}:${DB_PORT:-6380}:6379"
+    volumes:
+      - data:/data
+    healthcheck:
+      test: ["CMD-SHELL", "redis-cli -a \"$$REDIS_PASSWORD\" ping | grep PONG"]
+      interval: 5s
+      timeout: 5s
+      retries: 30
+volumes:
+  data:

deploy/database/redis/7.4/init/README.md

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+Redis has no automatic init directory convention. `make db-verify DB=redis@7.4` creates and reads the `dbx:smoke` key.

deploy/database/redis/7.4/recipe.json

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+{
+  "database": "redis",
+  "name": "Redis",
+  "version": "7.4.9",
+  "displayVersion": "7.4",
+  "image": "docker.cnb.cool/znb/images/redis:7.4.9-alpine",
+  "platforms": ["linux/amd64", "linux/arm64"],
+  "service": "database",
+  "defaultPort": 6379,
+  "connection": { "host": "127.0.0.1", "port": 6380, "username": "default", "password": "123456", "database": 0 },
+  "shell": ["redis-cli", "-a", "${DB_PASSWORD}"],
+  "smoke": { "steps": [{ "name": "seed smoke key", "command": ["redis-cli", "-a", "${DB_PASSWORD}", "SET", "dbx:smoke", "DBX smoke"], "expect": "OK" }, { "name": "read smoke key", "command": ["redis-cli", "-a", "${DB_PASSWORD}", "GET", "dbx:smoke"], "expect": "DBX smoke" }] }
+}