Bump version of go-github to v81.0.0

[gmlewis]

This release contains the following breaking API changes:

• fix!: Change Org usage report Quantity to float64 #3862
  BREAKING CHANGE: UsageItem.Quantity is now type float64.
• chore!: Remove PullRequestRuleParameters.AutomaticCopilotCodeReviewEnabled field #3866
  BREAKING CHANGE: PullRequestRuleParameters.AutomaticCopilotCodeReviewEnabled is now removed.
• feat!: Implement Enterprise SCIM - Provision Groups & Users #3852
  BREAKING CHANGE: SCIMEnterpriseDisplayReference.Ref is now of type *string.
• fix!: Change copilot_code_review field names to match GitHub API #3874
  BREAKING CHANGE: CopilotCodeReviewRuleParameters.ReviewNewPushes is now ReviewOnPush.
• fix!: Add support for missing attributes in ProjectsV2 API #3888
  BREAKING CHANGE: AddProjectItemOptions fields have changed types.
• feat!: Use omitzero for BypassActors to support handling empty arrays #3891
  BREAKING CHANGE: UpdateRepositoryRulesetClearBypassActor, UpdateRepositoryRulesetClearBypassActor, UpdateRulesetClearBypassActor, and UpdateRulesetNoBypassActor have been removed as they are no longer needed.

...and the following additional changes:

• Bump go-github from v79 to v80 in /scrape #3855
• feat: Add support for Enterprise Team APIs #3861
• feat: Implement Enterprise SCIM - Set Groups or Users #3858
• build(deps): Bump golang.org/x/term from 0.37.0 to 0.38.0 in /example #3865
• build(deps): Bump golang.org/x/sync from 0.18.0 to 0.19.0 in /tools #3864
• build(deps): Bump actions/checkout from 6.0.0 to 6.0.1 in the actions group #3863
• Add advanced_search parameter to SearchOptions #3868
• feat: Implement Enterprise SCIM - Delete Groups or Users #3856
• feat: Add support for copilot_code_review rule type #3857
• feat: Add support for Enterprise Team Members APIs #3873
• chore: Simplify JSON marshaling for RepositoryRulesetRules #3875
• feat: Add support for Enterprise Team Organizations APIs #3876
• docs: Clarify CreateTree semantics and TreeEntry usage #3877
• docs: Reformulate deprecation notice for Commits field in PushEvent #3880
• build(deps): Bump actions/cache from 4.3.0 to 5.0.1 in the actions group #3883
• build(deps): Bump golang.org/x/net from 0.47.0 to 0.48.0 in /scrape #3882
• build(deps): Bump codecov/codecov-action from 5.5.1 to 5.5.2 #3884
• build(deps): Bump golang.org/x/crypto from 0.45.0 to 0.46.0 in /example #3885
• chore: Rename 'opt' to 'opts' in multiple methods #3887
• feat: Add support for remaining Codespaces APIs #3886
• feat: Handle omitzero in structfield linter #3881
• feat: Implement Enterprise SCIM - Get a Group or User  #3889
• feat: Add support for Codespace Machines APIs #3890
• feat: Add support for URL custom property value type #3879
• feat: Add UploadReleaseAssetFromRelease convenience helper #3851
• Update openapi_operations.yaml #3895
• feat: Add support for Codespaces organizations APIs #3892
• feat: Add support for Copilot usage metrics reports API #3893
• feat: GetSignaturesProtectedBranch returns ErrBranchNotProtected when branch is not protected #3896

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.44%. Comparing base (71bd14c) to head (f74fb63).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3899   +/-   ##
=======================================
  Coverage   92.44%   92.44%           
=======================================
  Files         203      203           
  Lines       14927    14927           
=======================================
  Hits        13799    13799           
  Misses        926      926           
  Partials      202      202           

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