fix: storage-api version to v1.31.1

[fenos]

What kind of change does this PR introduce?

Storage update v1.31.1

[coveralls]

Pull Request Test Coverage Report for Build 19427424432

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.
• 5 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.03%) to 55.051%

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Files with Coverage Reduction	New Missed Lines	%
internal/gen/keys/keys.go	5	12.9%

Totals
Change from base Build 19424476529:	-0.03%
Covered Lines:	6507
Relevant Lines:	11820

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💛 - Coveralls