Build: Bump pyiceberg-core from 0.5.1 to 0.6.0

Bumps [pyiceberg-core](https://rust.iceberg.apache.org) from 0.5.1 to 0.6.0.

---
updated-dependencies:
- dependency-name: pyiceberg-core
  dependency-version: 0.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

poetry.lock

@@ -80,7 +80,7 @@ psycopg2-binary = { version = ">=2.9.6", optional = true }
 sqlalchemy = { version = "^2.0.18", optional = true }
 getdaft = { version = ">=0.2.12", optional = true }
 cachetools = ">=5.5,<7.0"
-pyiceberg-core = { version = "^0.5.1", optional = true }
+pyiceberg-core = { version = ">=0.5.1,<0.7.0", optional = true }
 polars = { version = "^1.21.0", optional = true }
 thrift-sasl = { version = ">=0.4.3", optional = true }
 kerberos = {version = "^1.3.1", optional = true}