chore(deps): update rust crate hipstr to 0.7.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
hipstr	dependencies	minor	0.6.0 -> 0.7.0

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Release Notes

polazarus/hipstr (hipstr)

v0.7.0

Compare Source

Added

• add new unique (non-shared) strings and byte vectors
• add as_borrowed
• add inline const constructors
• add opt-in borsh serialization support for bytes and strings
• add new comparisons with bstr types
• add some missing comparisons

Changed

• refactor the backend to support unique references
• remove low-level Raw type
• improve deserialization for strings, bytes and paths, see #​38 and follow-up work
• bump minimum supported Rust version (msrv) to 1.84

Removed

• remove serde_bytes dependency
• remove sptr dependency (following provenance API stabilization in Rust 1.84)

Fixed

• compilation with serde for non-Windows non-Unix targets, in particular wasm

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