Update Rust crate ron to 0.8

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ron	dev-dependencies	minor	0.6 -> 0.8

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Release Notes

ron-rs/ron (ron)

v0.8.1

Compare Source

• Fix issues #​277 and #​405 with Value::Map IntoIter and extraneous item check for Value::Seq (#​406)
• Fix issue #​401 with correct raw struct name identifier parsing (#​402)
• Fix issue #​410 trailing comma parsing in tuples and Some (#​412)
• Error instead of panic when deserializing non-identifiers as field names (#​415)
• [Non-API] Breaking: Fix issue #​307 stack overflow with explicit recursion limits in serialising and deserialising (#​420)
• Fix issue #​423 deserialising an identifier into a borrowed str (#​424)
• Bump MSRV to 1.57.0 and bump dependency: base64 to 0.20 (#​431)
• Bump dependency base64 to 0.21 (#​433)
• Depend on serde_derive directly to potentially enable more compilation parallelism (#​441)
• [Non-API] Breaking: Bump bitflags dependency to 2.0, changes serde impls of Extensions (#​443)
• Add Map::retain method (#​460)
• Bump MSRV to 1.64.0 and bump dependency: indexmap to 2.0 (#​459)

v0.8.0

Compare Source

• Bump dependencies: bitflags to 1.3, indexmap to 1.9 (#​399)
• Add integer128 feature that guards i128 and u128 (#​304, #​351)
• Fix issue #​265 with better missing comma error (#​353)
• Fix issue #​301 with better error messages (#​354)
• Fix issue #​337 by removing decimal_floats PrettyConfig option and unconditional decimals in floats (#​363)
• Fix issue #​203 with full de error positioning (#​356)
• Expand the ron::Error enum to distinguish serde errors like NoSuchEnumVariant and MissingStructField with error positioning (#​394)
• Bump MSRV to 1.56.0 (#​396)

v0.7.1

Compare Source

• Add struct_names option to PrettyConfig (#​329)
• Fix newtype variant unwrapping around enum, seq and map (#​331)
• Implement unwrap_newtypes extension during serialization (#​333)
• Implement unwrap_variant_newtypes extension during serialization (#​336)
• Add compact_arrays (#​299) and separator options to PrettyConfig (#​349)
• Fix issue #​338 value map roundtrip (#​341)
• Fix issue #​289 enumerate_arrays comments (#​344)
• Report struct name in expected struct error (#​342)
• Add Options builder to configure the RON serde roundtrip (#​343)
• Fix issue #​367 with eager implicit some (#​368)
• Fix issue #​359 with DeserializeSeed support (#​360)
• Fix issue #​370 with FromStr-equivalent float EBNF and Error::FloatUnderscore (#​371)
• Fix issue #​374 extraneous .0 for small floats (#​372)
• Deprecate Serializer::new (#​382)

v0.7.0

Compare Source

• Add unwrap_variant_newtypes extension (#​319)
• Change MSRV to 1.36

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