Add old state and derivative access to NEML2 compute

[dschwen]

Closes #50

[moosebuild]

Job Precheck, step Clang format on 1fb2895 wanted to post the following:

Your code requires style changes.

A patch was auto generated and copied here
You can directly apply the patch by running, in the top level of your repository:

curl -s https://mooseframework.inl.gov/swift/docs/PRs/51/clang_format/style.patch | git apply -v

Alternatively, with your repository up to date and in the top level of your repository:

git clang-format 5dacd32e3ee1da5d9c3a9f5b70b95bf6104a4558

[moosebuild]

Job Documentation, step Sync to remote on 839471d wanted to post the following:

View the site here

This comment will be updated on new commits.

[moosebuild]

Job Coverage, step Generate coverage on a2cf69b wanted to post the following:

Coverage

	5dacd3	#51 a2cf69
	Total	Total	+/-	New
Rate	65.75%	65.54%	-0.21%	48.72%
Hits	2087	2096	+9	19
Misses	1087	1102	+15	20

Diff coverage report

Full coverage report

Warnings

• New new line coverage rate 48.72% is less than the suggested 90.0%

This comment will be updated on new commits.

[dschwen]

Note to self: add time and time old, then test with neml2 VariableRate