build(deps): palette v0.7.6 -> v0.7.5 (again)

This time, set the version to `=0.7.5` to avoid accidental upgrades.

See commit b1abb0f9aafe0b8ee0b641e973fa1dbf5e896634 and previous PR:
https://github.com/eza-community/eza/pull/1207#issuecomment-2475638800

Cargo.lock

@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -974,9 +974,9 @@ dependencies = [
 
 [[package]]
 name = "palette"
-version = "0.7.6"
+version = "0.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4cbf71184cc5ecc2e4e1baccdb21026c20e5fc3dcf63028a086131b3ab00b6e6"
+checksum = "ebfc23a4b76642983d57e4ad00bb4504eb30a8ce3c70f4aee1f725610e36d97a"
 dependencies = [
  "approx",
  "fast-srgb8",

Cargo.toml

@@ -97,7 +97,8 @@ log = "0.4"
 natord-plus-plus = "2.0"
 path-clean = "1.0.1"
 unit-prefix = "0.5.2"
-palette = { version = "0.7.6", default-features = false, features = ["std"] }
+# palette 0.7.6 is broken: https://github.com/eza-community/eza/pull/1207
+palette = { version = "=0.7.5", default-features = false, features = ["std"] }
 percent-encoding = "2.3.1"
 phf = { version = "0.12.1", features = ["macros"] }
 plist = { version = "1.7.0", default-features = false }