Update Copyright to 2025

[mrmundt]

Fixes NA

Summary/Motivation:

This PR updates all of the copyright notices to cover 2025 and adds the commit SHA to the .git-blame-ignore-revs file.

Changes proposed in this PR:

• Update copyright year to 2025

Legal Acknowledgement

By contributing to this software project, I have read the contribution guide and agree to the following terms and conditions for my contribution:

1. I agree my contributions are submitted under the BSD license.
2. I represent I am authorized to make the contributions and grant the license. If my employer has rights to intellectual property that includes these contributions, I represent that I have received permission to make contributions and grant the required license on behalf of that employer.

[blnicho]

I didn't look at every single file but the few hundred that I spot-checked looked fine.

[jsiirola]

I think you missed one in pyomo/contrib/latex_printer/Readme.md. (Although it is debatable if it is needed in that file)

[jsiirola]

(I did look at everything ... although this is the first PR that was easier to review on the command line than on GH)