Update CHANGELOG.md for 1.0.0

Author: kevinoid

CHANGELOG.md

@@ -1,3 +1,22 @@
+# [1.0.0](https://github.com/kevinoid/hub-ci-status/compare/v0.1.0...v1.0.0) (2021-08-06)
+
+### BREAKING CHANGES
+
+* Converted to [ECMAScript modules](https://nodejs.org/api/esm.html).
+* Require Node.js ^12.20 || >=14.13.1.
+* Various minor changes in command-line options and output as a result of
+  switching from [Yargs](https://github.com/yargs/yargs) to
+  [Commander.js](https://github.com/tj/commander.js).
+
+### Features
+
+* Export `cli.js` as `hub-ci-status/cli.js` to allow calling cli entry point.
+  ([25f3e00](https://github.com/kevinoid/hub-ci-status/commit/25f3e0006884604b0b82cdba5aaa69770b0fea62))
+* Switch from nyc to c8 for coverage
+  ([d72a313](https://github.com/kevinoid/hub-ci-status/commit/d72a3136254166eda40fb56c550283758c25ac1f))
+* Update dev dependency versions.
+
+
 # 0.1.0 (2021-02-01)
 
 * Initial release.