Back out "chore: revert to hashbrown 0.14.5 and friends (gfx-rs#7081)"

This backs out commit 005bde9.

Author: ErichDonGubler

Cargo.lock

@@ -108,13 +108,13 @@ flume = "0.11"
 futures-lite = "2"
 glam = "0.29"
 half = "2.5" # We require 2.5 to have `Arbitrary` support.
-hashbrown = { version = "0.14.5", default-features = false, features = [
-    "ahash",
+hashbrown = { version = "0.15.2", default-features = false, features = [
+    "default-hasher",
     "inline-more",
 ] }
 heck = "0.5.0"
 image = { version = "0.24", default-features = false, features = ["png"] }
-indexmap = { version = "2.5.0", default-features = false }
+indexmap = { version = "2.7.1", default-features = false }
 itertools = { version = "0.13.0" }
 ktx2 = "0.3"
 libc = { version = "0.2", default-features = false }