Add uninterpreted `Map` implementation to `Prelude.lean` #7195

Job	Run time
Pyk: Code Quality & Unit Tests (3.10)	1m 23s
Java: Linting	1m 15s
Pyk: Code Quality & Unit Tests (3.11)	1m 21s
Pyk: Code Quality & Unit Tests (3.12)	1m 21s
Pyk: Code Quality & Unit Tests (3.13)	2m 10s
Code Quality Checks	1s
K: Source Build & Test	26s
K: Ubuntu Jammy Frontend Package	25s
Pyk: Nix Build (ubuntu-24.04)	34s
K: Nix Build & Test (self-hosted, linux, normal)	39s
Pyk: Nix Build (macos-14)	37s
K: Ubuntu Jammy Package	26s
K: Nix Build & Test (MacM1, self-macos-12)	37s
Pyk: Profiling	1s
Pyk: Documentation	1s
Pyk: Integration Tests	1s
Pyk: Regression Tests	1s
	11m 19s

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