Update to Numpy v2.0 & Splink v4.0 (#3547)

* Update dependencies to allow immanent Numpy v2.0 release for testing

* Update minimum versions for Numpy 2.0 compatibility

* Fix Numpy 2.0 dtype issues and relock dependencies.

* Update dependencies to require Splink v4

* Updated Splink API usage to v4. Unit tests pass.

* Update linker namespace to work with Splink v4

* Update to Splink v4.0 (#3834)

* Update dependencies to require Splink v4
* Updated Splink API usage to v4. Unit tests pass.
* Update linker namespace to work with Splink v4

* Add release notes about Numpy v2 & Splink v4 update.

.pre-commit-config.yaml

@@ -29,7 +29,7 @@ repos:
   # Formatters: hooks that re-write Python & documentation files
   ####################################################################################
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.6.2
+    rev: v0.6.4
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]

docs/release_notes.rst

@@ -17,6 +17,12 @@ Bug Fixes
 * Include more retiring generators in the net generation and fuel consumption
   allocation. Thanks to :user:`grgmiller` for this contirbution :pr:`3690`.
 
+Major Dependency Updates
+^^^^^^^^^^^^^^^^^^^^^^^^
+* Update to use `Numpy v2.0 <https://numpy.org/doc/stable/release/2.0.0-notes.html>`__
+  and `Splink v4.0 <https://moj-analytical-services.github.io/splink/blog/2024/07/24/splink-400-released.html>`__.
+  See issues :issue:`3736,3735` and PRs :pr:`3547,3834`.
+
 .. _release-v2024.8.0:
 
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