update CHANGELOG, deps and prepare release

docs/changelog.md

@@ -7,6 +7,25 @@ nav_order: 10
 
 
 All notable changes to this project will be documented in this file.
+### 1.3.0 - 26 gen '22
+  - add mariadb support
+  - add [microdata](https://developer.mozilla.org/en-US/docs/Web/HTML/Microdata) support
+  - support db setup via environment variables (used in updated `docker-compose.yml` files)
+  - improve rss feed:
+    - fix validation
+    - add enclusure media for featured image
+    - add categories
+  - fix typo in export code
+  - add theme attribute to gancio-events webcomponent (dark/light)
+  - increase thumbs quality
+  - improve logo for light theme
+  - improve [wordpress plugin](https://wordpress.org/plugins/wpgancio/)
+    - add \[gancio-event\] and \[gancio-events\] shortcode
+    - allow gancio-events / gancio-event tags in editor
+    - automatically enqueue webcomponent script
+  - tags/places filters are now inclusive not exclusive
+  - fix image undefined alternative text
+  - update documentation, dependencies, translations
 
 ### 1.2.2 - 7 dic '21
   - shiny new gancio-event\[s\] webcomponents => [docs](https://gancio.org/usage/embed)