updated release notes and release fix

Author: matthiaskoenig

.github/workflows/main.yml

@@ -35,7 +35,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.10]
+        python-version: ["3.10"]
 
     steps:
     - uses: actions/checkout@v3

release-notes/0.1.4.md

@@ -0,0 +1,11 @@
+# Release notes for combine-notebooks 0.1.4
+
+We are pleased to release the next version of combine-notebooks including the 
+following changes:
+
+## Features
+- Fix #12, support for python 3.10 
+- Updated github actions
+- Testing `macos` in test matrix
+
+Your combine-notebooks team