Update installer security to admin only

[jjbennett]

Critical Changes

Changes

Issues Closed

New Metadata

Deleted Metadata

Definition of Done

Refer to Asteroids DoD document to see any additional details for the items below

• Any net new LWC work has Sa11y tests & 50% or above lines JEST test coverage
• CRUD/FLS is enforced in Apex
• Permission sets are updated to account for CRUD|FLS|Tab|Classes
• Field sets are updated to account for new fields
• UX approval or UX not necessary
• Link the pull request and work item by PR comment and Chatter post respectively, e.g. GUS: W-0000000: Work Name (Reorganize code; use custom iterator #303)
• All acceptance criteria have been met
  • Developer
  • Code Reviewer
  • QA
• PR contains draft release notes
• QE story level testing completed

[jjbennett]

@vsbharath / @SalesforceFoundation/release-engineering-reviewers - Can I get an approval for this PR? It looks like it is having issues with my IP address for some reason. Thanks.