chore: updating 09-localhost migration code to v7

[damiannolan]

Description

• Updating future migration code to use correct package versioning

closes: #XXXX

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Before we can merge this PR, please make sure that all the following items have been
checked off. If any of the checklist items are not applicable, please leave them but
write a little note why.

• Targeted PR against correct branch (see CONTRIBUTING.md)
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the module structure standards.
• Wrote unit and integration tests
• Updated relevant documentation (docs/) or specification (x/<module>/spec/)
• Added relevant godoc comments.
• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
• Re-reviewed Files changed in the Github PR explorer
• Review Codecov Report in the comment section below once CI passes

[codecov-commenter]

Codecov Report

Merging #2392 (11627f6) into main (875279d) will not change coverage.
The diff coverage is 100.00%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2392   +/-   ##
=======================================
  Coverage   79.56%   79.56%           
=======================================
  Files         175      175           
  Lines       12134    12134           
=======================================
  Hits         9655     9655           
  Misses       2050     2050           
  Partials      429      429           

Impacted Files	Coverage Δ
modules/core/migrations/v7/migrations.go	88.23% <100.00%> (ø)