chore(release): ignore untracked files

package.json

@@ -44,7 +44,7 @@
     "changelog-current": "conventional-changelog -p angular -r 2",
     "publish": "npm publish ./dist/utils && npm publish ./dist/core && npm publish ./dist/common && npm publish ./dist/auth && npm publish ./dist/geo && npm publish ./dist/context && npm publish ./dist/tools",
     "preversion": "rimraf ./dist && npm run build.all && npm run test.all",
-    "version": "gulp bumpVersion && npm run build.libs && npm run changelog && git add .",
+    "version": "gulp bumpVersion && npm run build.libs && npm run changelog && git add -u",
     "postversion": "git push && git push --tags && npm run publish && npm run ghpages && npm run ghrelease",
     "preghpages": "npm run build.demo -- --output-path ./dist/ghpages --base-href /igo2-lib/ && echo \"include: ['_default.json', '_contexts.json']\" > dist/ghpages/_config.yml",
     "ghpages": "VERSION=$(node -p -e \"require('./package.json').version\") && npx ngh --dir=dist/ghpages --no-silent=false --message=$VERSION",