update clojure test version

Signed-off-by: Sean Corfield <sean@corfield.org>

CHANGELOG.md

@@ -5,6 +5,7 @@
   * Address [#533](https://github.com/seancorfield/honeysql/issues/533) by adding `honey.sql/*escape-?*` which can be bound to `false` to prevent `?` being escaped to `??` when used as an operator or function.
   * Address [#526](https://github.com/seancorfield/honeysql/issues/526) by using `format-var` in DDL, instead of `format-entity`.
   * Update JDK test matrix (adopt -> temurin, 19 -> 21).
+  * Update Clojure version (to 1.12.0-beta1).
 
 * 2.6.1147 -- 2024-06-12
   * Address [#531](https://github.com/seancorfield/honeysql/issues/531) and [#527](https://github.com/seancorfield/honeysql/issues/527) by adding tests and more documentation for `:composite`; fix bug in `set-dialect!` where clause order is not restored.

deps.edn

@@ -11,7 +11,7 @@
   :1.9 {:override-deps {org.clojure/clojure {:mvn/version "1.9.0"}}}
   :1.10 {:override-deps {org.clojure/clojure {:mvn/version "1.10.3"}}}
   :1.11 {:override-deps {org.clojure/clojure {:mvn/version "1.11.3"}}}
-  :1.12 {:override-deps {org.clojure/clojure {:mvn/version "1.12.0-alpha12"}}}
+  :1.12 {:override-deps {org.clojure/clojure {:mvn/version "1.12.0-beta1"}}}
 
   :elide ; to test #409 (assertion on helper docstrings)
   {:jvm-opts ["-Dclojure.compiler.elide-meta=[:doc]"]}