Update gh CLI tool version to 2.86.0 (#6579)

* Initial plan

* Update GitHub CLI tool version from 2.80.0 to 2.86.0

Co-authored-by: vhvb1989 <[email protected]>

* Fix comment to use .tar.gz instead of .rpm for Linux

Co-authored-by: vhvb1989 <[email protected]>

* Complete: Update gh CLI version to 2.86.0

Co-authored-by: vhvb1989 <[email protected]>

* Revert unintended changes to go.mod, go.sum, and environment.go files

* Complete: Update gh CLI version to 2.86.0 (clean)

Co-authored-by: vhvb1989 <[email protected]>

* Revert go.mod/go.sum changes added by test runs

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: vhvb1989 <[email protected]>

Author: Copilot

cli/azd/pkg/tools/github/github.go

@@ -40,7 +40,7 @@ func NewGitHubCli(console input.Console, commandRunner exec.CommandRunner) *Cli
 
 // Version is the minimum version of GitHub cli that we require (and the one we fetch when we fetch gh on
 // behalf of a user).
-var Version semver.Version = semver.MustParse("2.80.0")
+var Version semver.Version = semver.MustParse("2.86.0")
 
 // newGitHubCliImplementation is like NewGitHubCli but allows providing a custom transport for testing.
 func newGitHubCliImplementation(
@@ -680,7 +680,7 @@ func downloadGh(
 		return fmt.Errorf("unsupported platform")
 	}
 
-	// example: https://github.com/cli/cli/releases/download/v2.80.0/gh_2.80.0_linux_arm64.rpm
+	// example: https://github.com/cli/cli/releases/download/v2.86.0/gh_2.86.0_linux_arm64.tar.gz
 	ghReleaseUrl := fmt.Sprintf("https://github.com/cli/cli/releases/download/v%s/%s", ghVersion, releaseName)
 
 	log.Printf("downloading github cli release %s -> %s", ghReleaseUrl, releaseName)