chore: update dependency analyzer to v9

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
analyzer (source)	dependencies	major	^8.0.0 -> 9.0.0

---

Release Notes

dart-lang/sdk (analyzer)

v9.0.0

• Remove deprecated field Diagnostic.data.
• In the method DiagnosticReporter.atOffset and the constructors
  Diagnostic.tmp and Diagnostic.forValues, remove the deprecated named
  parameter errorCode, and make the named parameter diagnosticCode
  non-nullable and required.
• Remove deprecated DiagnosticReporter.atOffset named parameter, errorCode.
• Remove deprecated BooleanErrorListener.
• Remove deprecated RecordingErrorListener.
• Remove deprecated AnalysisErrorListener.NULL_LISTENER.
• Remove deprecated AstNodeExtension.
• Remove deprecated NullShortableExpression.
• Remove deprecated getters and methods from AST and element model.
• Remove deprecated PartDirective.configurations.
• Remove deprecated TypeDefiningElement.
• Remove deprecated TypeAliasElement.aliasedElement.
• Remove deprecated resolveFile2.
• Remove deprecated ErrorCode.
• Remove deprecated ErrorSeverity.
• Remove deprecated ErrorType.
• Remove deprecated AnalysisErrorListener.
• Remove deprecated RecordingDiagnosticListener.errors.
• Remove deprecated RecordingDiagnosticListener.getErrorForSource.
• Deprecate BooleanDiagnosticListener.onError in favor of .onDiagnostic.
• Deprecate RecordingDiagnosticListener.onError in favor of .onDiagnostic.
• Deprecate DiagnosticOrErrorListener in favor of DiagnosticListener.

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.