CompatHelper: bump compat for FillArrays to 1, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the FillArrays package from 0.12, 0.13 to 0.12, 0.13, 1.
This keeps the compat entries for earlier versions.

Note: I have not tested your package with this new compat entry.
It is your responsibility to make sure that your package tests pass before you merge this pull request.

[github-actions]

Pull Request Test Coverage Report for Build 5461817983

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-1.2%) to 97.093%

---

Files with Coverage Reduction	New Missed Lines	%
src/exact.jl	2	98.29%

Totals
Change from base Build 2978082868:	-1.2%
Covered Lines:	167
Relevant Lines:	172

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 5461817983

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-1.2%) to 97.093%

---

Files with Coverage Reduction	New Missed Lines	%
src/exact.jl	2	98.29%

Totals
Change from base Build 2978082868:	-1.2%
Covered Lines:	167
Relevant Lines:	172

---

💛 - Coveralls