nuget: Bump ValveKeyValue from 0.20.0.417 to 0.70.0.499

[dependabot]

Updated ValveKeyValue from 0.20.0.417 to 0.70.0.499.

Release notes

Sourced from ValveKeyValue's releases.

0.70.0

• Do not sort object members by name (.NET 7 makes this declaration order)
• Add (de)serialize mode that produces sourcemaps for syntax highlighting

0.65.0

• Breaking: Make KVDocument standalone
  • Added Root property
  • Added string indexer and implicit cast to KVObject for backwards compatibility, but you should use Root.
• Breaking: Remove AsSpan (returned blobs), add AsArraySpan for getting KV3 arrays
• Make root name and header nullable

0.60.0

• Breaking: Made string indexer throw on unknown key, removed GetChild
• Breaking: Made casting null to string throw
• Breaking: Made casting null byte[] throw
• Breaking: Made (string null) constructor throw
• Breaking: Made this[int] throw on dictionaries
• Breaking: Made Remove/Clear on non-collections throw
• Breaking: Made setting null create a null object instead of removing
• Breaking: Enabled nullable annotations
• Added SkipHeader option for KV3
• Added support for (de)serializing into nullables
• Added support for read-only collection and dictionary interface types
• Added missing (u)short constructors
• Added byte[] explicit operator
• Added To* methods without formatter
• Added TryAdd
• Added IsCollection
• Fixed Nullable deserialization/serialization
• Fixed Add to throw on existing keys in dictionaries
• Fixed Add methods to not store raw nulls
• Fixed ToString() on null type return a "null" string

0.51.0

• KVObject fields are now readonly (immutable after construction)
• Scalar type conversions now use checked casts (throws OverflowException instead of silent truncation)
• ToBoolean() explicitly supports integer/float/string types, throws for Collection/Array/Blob
• KVObject implements IReadOnlyDictionary<string, KVObject> instead of IEnumerable<KeyValuePair<string, KVObject>>
• Add Collection(capacity), ListCollection(capacity), Array(capacity) overloads
• Fix UInt64 conversions for ToDecimal, ToDouble, ToSingle
• Fix peeked value unboxing in KV3 token reader
• Throw on unclosed comments and invalid hex in KV3
• Optimize text/binary string writing
• Reuse StringBuilder and use SearchValues for faster scanning

0.50.0

BREAKING CHANGES: This release is a second pass at improving the overall API. If you run into issues or unergonomic API, open a new issue.

• Merged KVValue into KVObject, this is now a single type.
• Name removed from KVObject, keys are stored in the parent container. Use KVDocument.Name for the root key name.
• Iteration yields KeyValuePair<string,KVObject> instead of KVObject.
• KVDocument is now the return type of Deserialize(), holding the root Name and Header.
• Added Keys and Values properties on KVObject
• Added KVObject.ListCollection(IEnumerable) factory for creating list-backed collections from existing data
• Added Implicit operators for byte and sbyte

0.40.0

BREAKING CHANGES: This release changes how the API works to make it easier to iterate and modify values. If you run into issues or unergonomic API, open a new issue.

• Replaced KVArrayValue, KVCollectionValue, KVBinaryBlob, KVNullValue classes with a single KVValue readonly record struct (scalars stored inline, no boxing)
• KVObject string/int indexers now return KVObject instead of KVValue
• KVObject string indexer setter now takes KVObject instead of KVValue (implicit conversions from primitives)
• Added dictionary-backed collections for KV3 (KVObject.Collection()) with O(1) lookup
• Added KVObject.ListCollection() for explicit list-backed collections (KV1 duplicate key support)
• Added KVObject.Array() and KVObject.Blob() static factory methods
• Added TryGetChild(string, out KVObject)
• KVObject now implements IConvertible, Convert.ChangeType() works on indexer results
• KVValue.Flag is now init-only (use with expression to modify)
• Removed ChildrenValues property
• Renamed AddProperty to Add(string, KVValue)
• Typed deserialization now supports KV3 native arrays (List, T[], etc.)
• Typed deserialization now supports byte[] properties from binary blobs
• Typed deserialization now supports enum properties
• SetChild on list-backed collections now replaces in-place instead of remove + append

0.31.0

• Improve KV3 formatting

0.30.2

• Bumped to .NET 10
• Added KeyValues3 text implementation (ValveKeyValue.KeyValues3)
• Added KVFlag, KVHeader, KVNullValue
• KVCollectionValue is now public

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