Update Rust crate strum to v0.26.3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
strum	dependencies	patch	0.26.2 -> 0.26.3

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Release Notes

Peternator7/strum (strum)

v0.26.3

Compare Source

• #​344: Hide EnumTable because it's going to be deprecated in the next
  version.
• #​357: Fixes an incompatiblity with itertools by using the fully
  qualified name rather than the inherent method.
• #​345: Allows unnamed tuple like variants to use their variants in
  string interpolation. #[strum(to_string = "Field 0: {0}, Field 1: {1})")] will now work for tuple variants

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