fix(docker): fix apt install failed

[huangjw806]

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What's changed and what's your intention?

It seems that we must update before apt-get install, otherwise will failed.

failed pipeline: https://buildkite.com/risingwavelabs/docker/builds/14838

test pipeline: https://buildkite.com/risingwavelabs/docker/builds/14849

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[xxchan]

Weird. This is introduced intentionally to help reduce apt update network failure (#7734) 😕

[xxchan]

The weird thing is

• why cached apt update leads to apt install error
• why apt install is not cached...

[huangjw806]

The weird thing is

• why cached apt update leads to apt install error
• why apt install is not cached...

It's very weird, but let's merge it in first to solve the docker build failure, otherwise it will block a lot of things.

[xxchan]

why cached apt update leads to apt install error

Because the pkg is updated

http://security.ubuntu.com/ubuntu/pool/main/c/curl/

[xxchan]

Indeed, if the cache works properly, the later apt update should be a no-op. And we don't need to remove that at all :)

So apt update should be always added.