Use Cockpit's shared static code checks

These will soon take over ESLint and stylelint, plus they also cover
ruff and other goodies for the Python part. This supersedes the explicit
ruff call.

This is already being used by cockpit-{podman,machines,navigator} etc.

Makefile

@@ -29,6 +29,7 @@ all: $(DIST_TEST)
 COCKPIT_REPO_FILES = \
 	pkg/lib \
 	test/common \
+	test/static-code \
 	$(NULL)
 
 COCKPIT_REPO_URL = https://github.com/cockpit-project/cockpit.git
@@ -178,6 +179,9 @@ prepare-check: $(NODE_MODULES_TEST) $(VM_IMAGE) test/common
 check: prepare-check
 	test/common/run-tests ${RUN_TESTS_OPTIONS}
 
+codecheck: test/static-code $(NODE_MODULES_TEST)
+	test/static-code
+
 # checkout Cockpit's bots for standard test VM images and API to launch them
 bots: $(COCKPIT_REPO_STAMP)
 	test/common/make-bots

test/run

@@ -11,6 +11,5 @@ export RUN_TESTS_OPTIONS=--track-naughties
 # linters are off by default for production builds, but we want to run them in CI
 export LINT=1
 
+make codecheck
 make check
-
-ruff check test/check*