Makefile: Update Cockpit lib to 54f87df7b7b5428c66bae8c1b91f3096

Move to the Python version of html2po.

Closes #2025

Makefile

@@ -40,7 +40,7 @@ COCKPIT_REPO_FILES = \
 	$(NULL)
 
 COCKPIT_REPO_URL = https://github.com/cockpit-project/cockpit.git
-COCKPIT_REPO_COMMIT = 1cc67cefe33c58b33016655f329a1b3f26a5bbf0 # 332 + 36 commits
+COCKPIT_REPO_COMMIT = 54f87df7b7b5428c66bae8c1b91f30963c8bdb45 # 332 + 41 commits
 
 $(COCKPIT_REPO_FILES): $(COCKPIT_REPO_STAMP)
 COCKPIT_REPO_TREE = '$(strip $(COCKPIT_REPO_COMMIT))^{tree}'
@@ -66,7 +66,7 @@ po/$(PACKAGE_NAME).js.pot:
 		sed '/^#/ s/, c-format//' > $@
 
 po/$(PACKAGE_NAME).html.pot: $(NODE_MODULES_TEST) $(COCKPIT_REPO_STAMP)
-	pkg/lib/html2po.js -o $@ $$(find src -name '*.html')
+	pkg/lib/html2po -o $@ $$(find src -name '*.html')
 
 po/$(PACKAGE_NAME).manifest.pot: $(COCKPIT_REPO_STAMP)
 	pkg/lib/manifest2po -o $@ src/manifest.json