[NFC] repo-wide: Add monitoring.yaml files (#4828)

**Summary**
- Add monitoring

**Test Plan**
- Checked that it was YAML this time around.

**Checklist**

- [X] Package was built and tested against unstable
- [ ] This change could gainfully be listed in the weekly sync notes
once merged <!-- Write an appropriate message in the Summary section,
then add the "Topic: Sync Notes" label -->

packages/l/lolcat/monitoring.yaml

@@ -0,0 +1,6 @@
+releases:
+  id: 78207
+  rss: https://rubygems.org/gems/lolcat/versions.atom
+# No known CPE, checked 2025-01-12
+security:
+  cpe: ~

packages/r/ruby-manpages/monitoring.yaml

@@ -0,0 +1,6 @@
+releases:
+  id: 374493
+  rss: https://rubygems.org/gems/manpages/versions.atom
+# No known CPE, checked 2025-01-12
+security:
+  cpe: ~

packages/r/ruby-optimist/monitoring.yaml

@@ -0,0 +1,6 @@
+releases:
+  id: 94873
+  rss: https://rubygems.org/gems/optimist/versions.atom
+# No known CPE, checked 2025-01-12
+security:
+  cpe: ~

packages/r/ruby-paint/monitoring.yaml

@@ -0,0 +1,6 @@
+releases:
+  id: 4301
+  rss: https://rubygems.org/gems/paint/versions.atom
+# No known CPE, checked 2025-01-12
+security:
+  cpe: ~