Update changelog for 3.3.2 release

PiperOrigin-RevId: 752389725
Change-Id: I0976279bece09a099b6a34029575b24ba2d8fd1b

Enable procedural plugin activation in Python bindings.

PiperOrigin-RevId: 746055614
Change-Id: Idcc2f62fdfeccdca356e3d1acadf168b46a98881

Merge pull request #2462 from jjyyxx:main

PiperOrigin-RevId: 731710330
Change-Id: If87dd2c06123bd9ddfc62b63370c8fedf320e721

Update eigen3 and the changelog ahead of the 3.2.7 release.

PiperOrigin-RevId: 715467319
Change-Id: I4a6a168bc981c976890c46b784e94805afc86323

Update the version of eigen3 ahead of the 3.2.6 release

PiperOrigin-RevId: 702026493
Change-Id: Ibb0447b7106e9b873386c153283c81685583350f

Update the MuJoCo changelog for the 3.2.5 release

PiperOrigin-RevId: 693032354
Change-Id: I675424a3feeda8037a9559753dc93c05b812257c

Update the MuJoCo version for the 3.2.4 release.

PiperOrigin-RevId: 686261295
Change-Id: Ib59e44a6829a79fd480f2822a68cb05f94c38732

Update pybind11 to v2.13.6

PiperOrigin-RevId: 675241879
Change-Id: Icaa0a957b7c7ac64daf5d29ccae1ab8bf89a8e1d

Update changelog for MuJoCo 3.2.2 release.

PiperOrigin-RevId: 660823679
Change-Id: I983220b7e0314bdb2476a48b68399b0921834747

Fix a build error in engine_util_solve_test.cc.

PiperOrigin-RevId: 659668840
Change-Id: I56b0604628d54e149092201ff19c3318b75429a6