Update approx requirement from 0.4.0 to 0.5.0

Updates the requirements on [approx](https://github.com/brendanzab/approx) to permit the latest version.
- [Release notes](https://github.com/brendanzab/approx/releases)
- [Commits](https://github.com/brendanzab/approx/commits/v0.5.0)

---
updated-dependencies:
- dependency-name: approx
  dependency-type: direct:production
...

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

Author: dependabot[bot]

gdnative-core/Cargo.toml

@@ -19,7 +19,7 @@ type_tag_fallback = []
 [dependencies]
 gdnative-sys = { path = "../gdnative-sys", version = "0.9.3" }
 libc = "0.2"
-approx = "0.4.0"
+approx = "0.5.0"
 glam = "0.15.1"
 indexmap = "1.6.0"
 ahash = "0.7.0"

test/Cargo.toml

@@ -15,4 +15,4 @@ type_tag_fallback = ["gdnative/type_tag_fallback"]
 [dependencies]
 gdnative = { path = "../gdnative", features = ["gd_test"] }
 gdnative-derive = { path = "../gdnative-derive" }
-approx = "0.3.2"
+approx = "0.5.0"