Prepare for 0.7 release.

Author: jterrace

.github/workflows/python-package.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v3

CHANGES.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.7
+
+* Drop Python 3.7 support.
+* Add Python 3.12 support.
+* Update support for newer versions of PIL/Pillow.
+
 ## 0.6
 
 * Update supported python versions to 3.7 through 3.11.