Adds notes for Thunderbird 140.9.1 and 149.0.2 (#137)

Author: stephenking314

esr/140.9.1esr.yml

@@ -15,4 +15,7 @@ release:
 
   import_system_requirements: 140.0esr
 
-notes: []
+notes:
+  # Fixed
+  - note: '[Security fixes](https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbird/#thunderbird140.9.1)'
+    tag: fixed

release/149.0.2.yml

@@ -0,0 +1,15 @@
+release:
+  release_date: '2026-04-07'
+  text: |
+    **System Requirements:** [Details](/en-US/thunderbird/149.0/system-requirements/)
+
+    - Windows: Windows 10 or later
+    - Mac: macOS 10.15 or later
+    - Linux: GTK+ 3.14 or higher
+
+  import_system_requirements: 140.0esr
+
+notes:
+  # Fixed
+  - note: '[Security fixes](https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbird/#thunderbird149.0.2)'
+    tag: fixed