Aggregate issue for kojamroz's Dilithium semester backlog

[konrad-jamrozik]

Issues are sorted by filing date, not by priority or urgency.

LintDiff

• Aggregate issue for LintDiff reliability improvements #7731

Breaking Change detection tooling

• [Breaking Change] (Cross Version) should not compare against old preview #5024
• [Breaking Change]s tooling missed breaking changes due to file renames #5683
• [Breaking Change] Runtime exceptions aggregate #6169
• [Breaking Change] Report should link to prior preview with approved breaking changes #6900
• Same-version breaking change check added BreakingChangeReviewRequired instead of NewApiVersionRequired #7673
• Breaking change detection improperly reports success due to obsolete private preview special case handling #7697
• Revoke the previous approved breaking changes if ARM request changes after the previous approval #7709
• Same-version API check (Swagger BreakingChange) should add VersioningReviewRequired instead of BreakingChangeReviewRequired when detecting issues on preview versions (as opposed to GA) (breaking changes confusion matrix) #7724
• Adding a value to an extensible enum - even intra-api-version - should not be considered a breaking change #7739
• Breaking change detection tooling should add BreakingChangeReviewRequired if oad (openapi-diff) throws runtime exception #7770
• Renaming API version and directory at the same time leads to confusing BreakingChange checks experience  #7786
• BranchPolicyException breaking change approval labels #7860

Leftovers from Germanium

• [Breaking Change][PR Workflow] Use more granular labels for Breaking Changes approvals #6374
• [Breaking Change] Design & track metrics for backlog burndown (APEX metrics) #7223
• [Breaking Change] Add a mechanism for permanent suppressions (baselining) #7259

PR review workflow improvements

• [PR Workflow] Automatic ARM sign-off for TypeSpec-based PRs  #7352
• [PR Workflow] Allow PR authors to merge their PRs once the automated merging criteria is met  #7354
• [PR Workflow] Add an automatic sign off label for PRs that dont have any API contract changes  #7355
• [Feature] Merging changes for data-plane specs in the azure-rest-api-specs repo (PR merge sign-off) (PublishToCustomers label) #7648
• Automation doesn't properly reset when new commits are pushed to PRs approved to merge #7650
• Automated merging requirements met check will remain stuck in queued state if any of the required non-unified-pipeline GitHub checks finishes after ADO build pipeline, like TypeSpec Validation #7657

Fundamentals

• Dilithium cleanup - Remove obsolete code #8202