Chore(deps): Update serde-saphyr requirement from 0.0.27 to 0.0.28

[dependabot]

Updates the requirements on serde-saphyr to permit the latest version.

Release notes

Sourced from serde-saphyr's releases.

0.0.28 Property interpolation extensions and even faster builds

Significant extension of property interpolation ( @​CommanderStorm)

• Added support for default property interpolation in plain scalars: ${NAME:-default} now resolves to default when NAME is unset or explicitly empty.
• ${VAR}: Values that must be configured (DB URLs, API keys). An unset var is a misconfiguration, not something to paper over -> a loud error at parse time
• ${VAR-fallback}: Empty value is meaningful and distinct from "not configured". F.ex. PREFIX="" -> "no prefix".
• ${VAR:-fallback}: The "regular" default, so f.ex. ${PORT:-8080}
• ${VAR+text}: F.ex. ${DEBUG+--verbose} emits the flag whenever DEBUG exists in the environment, regardless of value.
• ${VAR:+text}: Same as above, but differentiating empty <-> null

Also

• Fix #120 LastWins not honored when deserializing struct. This was implemented and well tested, but only with maps.
• Reduced owning of comment strings (parsing very heavily commented YAML while discarding comments should be lighter on resources).
• Fixed indentation enforcement (@​CommanderStorm), making sure it also works for multiline scalars.
• Fixed tuple serialization (@​CommanderStorm)
• New SingleQuoted<..> and DoubleQuoted<..> wrappers to emit quoted strings. SingleQuoted may provide additional safety, as control characters will be rejected (with error), rather than written as YAML escape sequences. NullableTilde<T> is like Option and emits tilde ( ~ ) rather than null.

Faster compilation times with serde_core

serde-saphyr now avoids compiling serde_derive by default. The crate core uses serde_core instead that allows building serde-saphyr in parallel with serde_derive. However this also means that we needed to drop the previously built-in (de)serialization support for some serde-saphyr own configuration and reporting types like Options. (De)serialization support for these types can be re-enabled with the new feature serde_derived_types:

serde-saphyr = { version = "...", features = ["serde_derived_types"] }

This does not affect normal use of serde-saphyr for user data, you can still serialize and deserialize your own structs as before.

Commits

• 958bb94 NullableTilde implementation (#148)
• e2453d1 Integrate granit parser 0.0.6 parsing.
• 38f602d Implement DoubleQuoted and SingleQuoted (#146)
• 07fbcf7 Remove redundant #[cfg(test)]
• 3541006 Remaining issue: flow maps still bypass the simple-key limit
• 65d41ca fix: long string keys not roundtripping (#141)
• 2adf2c4 Split serde and make serde-saphyr core to depend on serde-core only. (#144)
• 07708ed fix fmt (#145)
• f2cd59c Implement <Quoted> (#140)
• 1a291ca fix: quoting support not counting trailing whitespace in keys, BOM, .. (#139)
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