chore(deps): update Piccolo requirement from 1.6 to 1.6, 2.0

Updates the requirements on [Piccolo](https://github.com/harmoniqs/Piccolo.jl) to permit the latest version.
- [Release notes](https://github.com/harmoniqs/Piccolo.jl/releases)
- [Commits](harmoniqs/Piccolo.jl@v1.6.0...v2.0.0)

---
updated-dependencies:
- dependency-name: Piccolo
  dependency-version: 2.0.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Project.toml

@@ -22,7 +22,7 @@ LegatoMakieExt = "Makie"
 FFTW = "1.8"
 LinearAlgebra = "1.10, 1.11, 1.12"
 Makie = "0.24"
-Piccolo = "1.6"
+Piccolo = "1.6, 2.0"
 Printf = "1.10, 1.11, 1.12"
 TOML = "1.0"
 TestItemRunner = "1.1"