build: exclude github workflows from npm package

In the latest release tslib contains the `.github` folder as part of the distributable. https://unpkg.com/browse/tslib@1.11.0/
microsoft · Feb 21, 2020 · f6b75b4 · f6b75b4
1 parent 19d1e0a
commit f6b75b4
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.npmignore b/.npmignore
@@ -1,3 +1,4 @@
 .gitattributes
+.github
 bower.json
 docs