Bump regex from 1.9.5 to 1.9.6 in /ql

Bumps [regex](https://github.com/rust-lang/regex) from 1.9.5 to 1.9.6.
- [Release notes](https://github.com/rust-lang/regex/releases)
- [Changelog](https://github.com/rust-lang/regex/blob/master/CHANGELOG.md)
- [Commits](rust-lang/regex@1.9.5...1.9.6)

---
updated-dependencies:
- dependency-name: regex
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

ql/Cargo.lock

@@ -9,4 +9,4 @@ edition = "2018"
 lazy_static = "1.4.0"
 chrono = "0.4.31"
 rayon = "1.8.0"
-regex = "1.9.5"
+regex = "1.9.6"

ql/buramu/Cargo.toml

@@ -16,5 +16,5 @@ clap = { version = "4.2", features = ["derive"] }
 tracing = "0.1"
 tracing-subscriber = { version = "0.3.17", features = ["env-filter"] }
 rayon = "1.8.0"
-regex = "1.9.5"
+regex = "1.9.6"
 codeql-extractor = { path = "../../shared/tree-sitter-extractor" }