update repo data to reflect archival decisions for two repos

[bobcallaway]

the Sigstore TSC voted to archive sigstore/fish-food and sigstore/sigstore-installer given that they were no longer active projects. This PR updates our data to reflect this decision.

Meeting notes from vote: https://docs.google.com/document/d/1rN_tn2Jf1hd_e6XDLlKg0vmQog3LIxEHfulG50WzgKQ/edit?tab=t.0#heading=h.x9j826571elg

[github-actions]

🍹 preview on sigstore-github-sync/sigstore/github-prod

Pulumi report

  Previewing update (sigstore/github-prod)

View Live: https://app.pulumi.com/sigstore/sigstore-github-sync/github-prod/previews/faaf7dd9-f012-4ce7-9f8c-e7f4289cfa26

@ Previewing update.....
pulumi:pulumi:Stack: (same)
  [urn=urn:pulumi:github-prod::sigstore-github-sync::pulumi:pulumi:Stack::sigstore-github-sync-github-prod]
  ~ github:index/repository:Repository: (update) 🔒
      [id=fish-food]
      [urn=urn:pulumi:github-prod::sigstore-github-sync::github:index/repository:Repository::fish-food]
      [provider: urn:pulumi:github-prod::sigstore-github-sync::pulumi:providers:github::default_6_5_0::9325b344-1d70-4286-b41b-51750ec49565 => urn:pulumi:github-prod::sigstore-github-sync::pulumi:providers:github::default_6_6_0::output]
    ~ archived       : false => true
    + licenseTemplate: ""
@ Previewing update....
  ~ github:index/repository:Repository: (update) 🔒
      [id=sigstore-installer]
      [urn=urn:pulumi:github-prod::sigstore-github-sync::github:index/repository:Repository::sigstore-installer]
      [provider: urn:pulumi:github-prod::sigstore-github-sync::pulumi:providers:github::default_6_5_0::9325b344-1d70-4286-b41b-51750ec49565 => urn:pulumi:github-prod::sigstore-github-sync::pulumi:providers:github::default_6_6_0::output]
    ~ archived       : false => true
    + licenseTemplate: ""
Resources:
  ~ 2 to update
  592 unchanged
  

[haydentherapper]

Should https://github.com/sigstore/cosign-gatekeeper-provider be archived as well? This hasn't received updates in two years and its deps are quite out of date.

[bobcallaway]

Should https://github.com/sigstore/cosign-gatekeeper-provider be archived as well? This hasn't received updates in two years and its deps are quite out of date.

This was discussed at the TSC meeting, if we don’t hear back from folks then we will move forward with archival.