Use yaml anchors

package_alerts/dev.packages.yml

@@ -6,15 +6,13 @@
 # and no notes will be included in the MM message.
 ---
 packages:
-  almalinux-release:
+  almalinux-release: &dangerous_package
     notes: |-
       **MANUAL ACTION REQUIRED**: This is a "dangerous package" and it will need to be [rebuilt by hand](https://linuxops.web.cern.ch/distributions/snapshots/#-release-packages-the-dangerous-rpms). If you don't do it **today**, the daily snapshot will stop tomorrow and you'll have more work to do then.
   redhat-release:
-    notes: |-
-      **MANUAL ACTION REQUIRED**: This is a "dangerous package" and it will need to be [rebuilt by hand](https://linuxops.web.cern.ch/distributions/snapshots/#-release-packages-the-dangerous-rpms). If you don't do it **today**, the daily snapshot will stop tomorrow and you'll have more work to do then.
+    <<: *dangerous_package
   epel-release:
-    notes: |-
-      **MANUAL ACTION REQUIRED**: This is a "dangerous package" and it will need to be [rebuilt by hand](https://linuxops.web.cern.ch/distributions/snapshots/#-release-packages-the-dangerous-rpms). If you don't do it **today**, the daily snapshot will stop tomorrow and you'll have more work to do then.
+    <<: *dangerous_package
   kernel:
   systemd:
   dbus:

package_alerts/prod.packages.yml

@@ -6,15 +6,13 @@
 # and no notes will be included in the MM message.
 ---
 packages:
-  almalinux-release:
+  almalinux-release: &dangerous_package
     notes: |-
       **MANUAL ACTION REQUIRED**: This is a "dangerous package" and it will need to be [rebuilt by hand](https://linuxops.web.cern.ch/distributions/snapshots/#-release-packages-the-dangerous-rpms). If you don't do it **today**, the daily snapshot will stop tomorrow and you'll have more work to do then.
   redhat-release:
-    notes: |-
-      **MANUAL ACTION REQUIRED**: This is a "dangerous package" and it will need to be [rebuilt by hand](https://linuxops.web.cern.ch/distributions/snapshots/#-release-packages-the-dangerous-rpms). If you don't do it **today**, the daily snapshot will stop tomorrow and you'll have more work to do then.
+    <<: *dangerous_package
   epel-release:
-    notes: |-
-      **MANUAL ACTION REQUIRED**: This is a "dangerous package" and it will need to be [rebuilt by hand](https://linuxops.web.cern.ch/distributions/snapshots/#-release-packages-the-dangerous-rpms). If you don't do it **today**, the daily snapshot will stop tomorrow and you'll have more work to do then.
+    <<: *dangerous_package
   systemd:
   dbus:
   glibc: