[Merged by Bors] - feat(Algebra/Order/Module): add missing instances

[urkud]

---

Currently, it adds an import to Defs. Another option is to move the Prod and Pi instances to Basic.lean.

[github-actions]

PR summary e568f0d0bc

Import changes for modified files

Dependency changes

File	Base Count	Head Count	Change
Mathlib.Algebra.Order.Module.Defs	477	478	+1 (+0.21%)

Import changes for all files

Files	Import difference
8 files Mathlib.Algebra.Order.Module.Basic Mathlib.Algebra.Order.Module.Defs Mathlib.Algebra.Order.Module.Field Mathlib.Algebra.Order.Monovary Mathlib.Algebra.Order.Nonneg.Module Mathlib.Algebra.QuadraticDiscriminant Mathlib.Tactic.LinearCombination.Lemmas Mathlib.Tactic.LinearCombination	1

---

Declarations diff

+ instPosSMulMono
+ instPosSMulReflectLE
+ instPosSMulStrictMono
+ instSMulPosMono
+ instSMulPosReflectLE
+ instSMulPosReflectLT
+ instSMulPosStrictMono

You can run this locally as follows

## summary with just the declaration names:
./scripts/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/declarations_diff.sh long <optional_commit>

The doc-module for script/declarations_diff.sh contains some details about this script.

---

No changes to technical debt.

You can run this locally as

./scripts/technical-debt-metrics.sh pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

[leanprover-community-mathlib4-bot]

!bench

[leanprover-bot]

Here are the benchmark results for commit 5e759f6.
There were no significant changes against commit ac33158.

[github-actions]

File	Instructions	%
build	-6.813⬝10⁹	(+0.00%)
lint	-1.208⬝10⁹	(-0.01%)
Mathlib.Algebra.Order.Module.Defs	+2.896⬝10⁹	(+5.12%)
CI run Lakeprof report

[YaelDillies]

Thanks!

maintainer delegate

[github-actions]

🚀 Pull request has been placed on the maintainer queue by YaelDillies.

[riccardobrasca]

Thanks!

bors d+

[mathlib-bors]

✌️ urkud can now approve this pull request. To approve and merge a pull request, simply reply with bors r+. More detailed instructions are available here.

[leanprover-community-mathlib4-bot]

As this PR is labelled auto-merge-after-CI, we are now sending it to bors:

bors merge

[leanprover-community-mathlib4-bot]

As this PR is labelled auto-merge-after-CI, we are now sending it to bors:

bors merge

[mathlib-bors]

Already running a review

[leanprover-community-mathlib4-bot]

As this PR is labelled auto-merge-after-CI, we are now sending it to bors:

bors merge

[mathlib-bors]

Already running a review

[mathlib-bors]

Pull request successfully merged into master.

Build succeeded:

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