Just: port actions to new language test definition

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: redsun82

actions/justfile

@@ -0,0 +1,7 @@
+import '../lib.just'
+
+[group('build')]
+build: (_build_dist "actions")
+
+[group('test')]
+language-tests *EXTRA_ARGS: (_language_tests EXTRA_ARGS source_dir() 'ql/test')

actions/ql/justfile

@@ -0,0 +1,6 @@
+import "../../lib.just"
+
+[no-cd]
+format *ARGS=".": (_format_ql ARGS)
+
+consistency_queries := ""

actions/ql/test/justfile

@@ -0,0 +1,8 @@
+import "../justfile"
+
+base_flags := ""
+
+all_checks := default_db_checks
+
+[no-cd]
+test *ARGS=".": (_codeql_test "actions" base_flags all_checks ARGS)