fix: instruction is now docker compose -f file up

[samsja]

docker compose -f file.yaml up instead of docker compose up -f file.yaml

[github-actions]

Latency summary

Current PR yields:

• 🐢🐢 index QPS at 1180, delta to last 2 avg.: -14%
• 🐎🐎🐎🐎 query QPS at 52, delta to last 2 avg.: +107%
• 🐎🐎🐎🐎 avg flow time within 1.6726 seconds, delta to last 2 avg.: +29%
• 🐢🐢 import jina within 0.3527 seconds, delta to last 2 avg.: -9%

Breakdown

Version	Index QPS	Query QPS	Avg Flow Time (s)	Import Time (s)
current	1180	52	1.6726	0.3527
2.6.4	1316	23	1.5321	0.4083
2.6.3	1433	26	1.0605	0.3753

Backed by latency-tracking. Further commits will update this comment.