[1/3] sdks/python: refactor Milvus-related utilities as preparation step for Milvus Sink I/O integration - #35708

Failed to save cache entry with path '/home/runner/.gradle/caches,/home/runner/.gradle/notifications,/home/runner/.gradle/.gradle-build-action,zstd-without-long,1.0' and key: v8-gradle|Linux|precommit python coverage-beam_PreCommit_Python_Coverage[e2a683fc568a1c5c137508f09cada9b8]-d76263a9575ff7fca4d327966cb5e795c89b7acd: Error: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>0MSMSaQAAAAAl1/W7vn4mRJgT/6MglK3ZQ0hJMzBFREdFMDQyMQBFZGdl

Failed to save cache entry with path '/home/runner/.gradle/caches/modules-*/files-*/*/*/*/*,zstd-without-long,1.0' and key: dependencies-373336718fa0ccae606728a97b74e006: Error: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>0MSMSaQAAAADKzhJfBi1CR5zxTE+nXSCQQ0hJMzBFREdFMDQyMQBFZGdl

Failed to save cache entry with path '/home/runner/.gradle/caches/jars-*/*,zstd-without-long,1.0' and key: instrumented-jars-2a070ff51b6dd09e6ddd15f4b42b5383: Error: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>0MSMSaQAAAACmuSpUvGYeRpeMwoq1waZhQ0hJMzBFREdFMDQyMQBFZGdl

Failed to save cache entry with path '/home/runner/.gradle/caches/*/kotlin-dsl/*/*,zstd-without-long,1.0' and key: kotlin-dsl-325dbc9bd5f14e26301c7aab1377b391: Error: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>0MCMSaQAAAABv3rVp8mPqRaRcq/YisBL7Q0hJMzBFREdFMDIyMQBFZGdl

Failed to save cache entry with path '/home/runner/.gradle/wrapper/dists/gradle-8.14.3-bin/cv11ve7ro1n3o1j4so8xd9n66,zstd-without-long,1.0' and key: wrapper-zips-5ae5d3da5e8e0c748d04bcdd9bc97bdb: Error: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>0MCMSaQAAAAA/aIoYVuk2SKYQibVLkmOlQ0hJMzBFREdFMDIyMQBFZGdl

Failed to save cache entry with path '/home/runner/.gradle/caches/8.14.3/generated-gradle-jars/gradle-api-8.14.3.jar,zstd-without-long,1.0' and key: generated-gradle-jars-4434c59050703a48bf14168622b59891: Error: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>0MCMSaQAAAABAyhx0+jXxQ5iMb+/9OoALQ0hJMzBFREdFMDIxMQBFZGdl