fix: change pydantic extra fields from forbid to allow in manifest parsers

[mdesmet]

Allow extra fields in all manifest parser models to prevent validation errors when dbt manifests contain fields not defined in the schema.

Co-Authored-By: Claude Opus 4.6 noreply@anthropic.com

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Important

Change extra field in ConfigDict from forbid to allow in manifest parser models to permit extra fields, preventing validation errors.

• Behavior:
  • Change extra field in ConfigDict from forbid to allow in manifest parser models to allow extra fields.
  • Affects models like ManifestMetadata, FileHash, Hook, DependsOn, Docs, InjectedCTE, TestConfig, SnapshotConfig, SeedConfig, MacroDependsOn, Quoting, FreshnessMetadata, SourceFreshnessRuntimeError, Time, TimingInfo, ExternalPartition, SourceConfig, MacroArgument, Documentation, ExposureConfig, MetricFilter, MetricTime, MetricConfig, NodeConfig, ColumnInfo, SingularTestNode, HookNode, ModelNode, RPCNode, SqlNode, GenericTestNode, SnapshotNode, SeedNode, SourceFreshnessOutput, ExternalTable, Macro, Exposure, Metric, AnalysisNode, SourceDefinition in manifest_v1.py, manifest_v2.py, manifest_v3.py, manifest_v4.py, manifest_v5.py, manifest_v6.py, manifest_v7.py, manifest_v8.py, manifest_v9.py.
• Files:
  • Changes in manifest_v1.py, manifest_v2.py, manifest_v3.py ... manifest_v9.py to allow extra fields in models.

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