build(deps): update cbor2 requirement from <7,>=6.1.4 to >=6.1.5,<7 in /examples

[dependabot]

Updates the requirements on cbor2 to permit the latest version.

Release notes

Sourced from cbor2's releases.

6.1.5

• Fixed CBORSimpleValue hashing inconsistently with the integer it compares equal to (#334; PR by @​sahvx655-wq)
• Fixed canonical encoding with value sharing enabled emitting shared references to container keys that were never written to the stream, because the throwaway encoding used to sort the keys registered them as shared values; the output then failed to decode, or decoded with the wrong keys substituted in (#339; PR by @​sahvx655-wq)
• Fixed shared references (tag 29) to a map or an unhandled tag resolving to the raw dict or CBORTag instead of the value returned by object_hook or tag_hook, a regression from 5.x (#343; PR by @​sahvx655-wq)
• Fixed the encoder not giving a nested stringref namespace (tag 256) its own index space (#335; PR by @​dylanpulver)
• Fixed the decoder returning its internal break marker as a value when a break stop code appeared where a data item was expected (#305; PR by @​sahvx655-wq)
• Fixed a PanicException when trying to decode an epoch-form date (tag 100) with a payload near i32::MAX which then overflowed the addition instead of raising a clean decode error (#340; PR by @​sahvx655-wq)
• Fixed the decoder accepting a string-form datetime (tag 0) without a UTC offset and returning a naive ~datetime.datetime instead of rejecting it (#347; PR by @​sahvx655-wq)
• Fixed a reused CBOREncoder no longer flushing its output or resetting its shared container and string reference tracking after an encode() call had raised an exception (#348; PR by @​sahvx655-wq)

Commits

• cf5b8c5 Fixed flaky datetime comparison
• 4a20060 Bumped up the version
• c895351 Reset encoder state after a failed encode (#348)
• c562883 Bump the github-actions group with 2 updates (#349)
• 2774413 Reject string-form datetime (tag 0) without a UTC offset (#347)
• ab3a865 Fixed integer overflow when decoding epoch-form dates (tag 100) (#340)
• 96c5b15 reject misplaced break stop code instead of leaking break marker (#341)
• bb301da Give a nested stringref namespace its own index space (#335)
• 7f84e3d Make shared references honour object_hook and tag_hook results (#343)
• e480550 Disable value sharing while computing canonical sort keys (#339)
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