Update indexmap requirement from 1.7 to 2.4 in /services/autorust

[dependabot]

Updates the requirements on indexmap to permit the latest version.

Changelog

Sourced from indexmap's changelog.

2.4.0

• Added methods IndexMap::append and IndexSet::append, moving all items from one map or set into another, and leaving the original capacity for reuse.

2.3.0

• Added trait MutableEntryKey for opt-in mutable access to map entry keys.
• Added method MutableKeys::iter_mut2 for opt-in mutable iteration of map keys and values.

2.2.6

• Added trait MutableValues for opt-in mutable access to set values.

2.2.5

• Added optional borsh serialization support.

2.2.4

• Added an insert_sorted method on IndexMap, IndexSet, and VacantEntry.
• Avoid hashing for lookups in single-entry maps.
• Limit preallocated memory in serde deserializers.

2.2.3

• Added move_index and swap_indices methods to IndexedEntry, OccupiedEntry, and RawOccupiedEntryMut, functioning like the existing methods on IndexMap.
• Added shift_insert methods on VacantEntry and RawVacantEntryMut, as well as shift_insert_hashed_nocheck on the latter, to insert the new entry at a particular index.
• Added shift_insert methods on IndexMap and IndexSet to insert a new entry at a particular index, or else move an existing entry there.

2.2.2

• Added indexing methods to raw entries: RawEntryBuilder::from_hash_full, RawEntryBuilder::index_from_hash, and RawEntryMut::index.

2.2.1

• Corrected the signature of RawOccupiedEntryMut::into_key(self) -> &'a mut K, This a breaking change from 2.2.0, but that version was published for less than a day and has now been yanked.

2.2.0

• The new IndexMap::get_index_entry method finds an entry by its index for

... (truncated)

Commits

• b66bbfe Merge pull request #337 from cuviper/append
• a288bf3 Add a README note for ordermap
• 0b2b4b9 Release 2.4.0
• 8c0a1cd Add append methods
• 22c0b4e Merge pull request #335 from epage/mut
• 39f7cc0 Release 2.3.0
• 6049d51 feat(map): Add MutableKeys::iter_mut2
• 65c3c46 feat(map): Add MutableEntryKey
• 7f7d39f Merge pull request #332 from waywardmonkeys/missing-indentation-in-doc-comment
• 8222a59 Fix missing indentation in doc comment.
• Additional commits viewable in compare view

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