docs: added upgrade notes and set requirement to Pimcore 6.9

Author: aarongerig

UPGRADE.md

@@ -8,6 +8,10 @@ Just click the "update" button or execute the migration command to finish the bu
 
 ***
 
+#### Version 1.2
+- Support Pimcore 6.9 only
+- Add presets to HTML tag integrator [#43](https://github.com/dachcom-digital/pimcore-seo/pull/43)
+
 #### Update from Version 1.1.0 to Version 1.1.1
 - **[ENHANCEMENT]** Improve Dependency Check [#20](https://github.com/dachcom-digital/pimcore-seo/issues/20)
 

composer.json

@@ -35,7 +35,7 @@
     },
     "require": {
         "google/apiclient": "^2.0",
-        "pimcore/pimcore": "^6.0",
+        "pimcore/pimcore": "^6.9",
         "doctrine/orm": "^2.7"
     },
     "require-dev": {