CI: run FileIO integration tests (s3/adls/gcs)

[kevinjqliu]

Apache Iceberg version

None

Please describe the bug 🐞

Found out that we dont run s3/adls/gcs integration tests in CI
#2111 (comment)

I also verified that these tests were not running in CI, kevinjqliu#14

We should fix it!

Willingness to contribute

• I can contribute a fix for this bug independently
• I would be willing to contribute a fix for this bug with guidance from the Iceberg community
• I cannot contribute a fix for this bug at this time