Add branch merge strategies#2434

Open

ForeverAngry wants to merge 3 commits intoapache:mainfrom

ForeverAngry:branch-merge-strategies

Commits on Sep 6, 2025

Add comprehensive tests for branch merge strategies in pyiceberg
ForeverAngry
committed

Commits on Sep 18, 2025

Fix: Update function type annotations in test_branch_merge_strategies.py
ForeverAngry
committed

Commits on Sep 29, 2025

Refactor: Fixing ci/cid issues - updated _BaseBranchMergeStrategy to inherit from ABC
ForeverAngry
committed