libs tests: bump clojure-lsp to current

Did see a (sporadic?) failure for this lib on CI and locally,
maybe the upgrade will get rid of that.

Author: lread

script/test_libs.clj

@@ -337,7 +337,7 @@
                         "lein test"]}
            {:name "clojure-lsp"
             :platforms [:clj]
-            :version "2021.07.12-12.30.59"
+            :version "2021.07.19-14.46.52"
             :github-release {:repo "clojure-lsp/clojure-lsp"}
             :patch-fn clojure-lsp-patch
             :show-deps-fn cli-deps-tree