[NFC] repo-wide: Replace montoring.yml with monitoring.yaml

**Summary**

- Previous commit handled all the renames, this commit chnages:
- Comment text in some monitoring files
- The taskfile task for a new monitoring file
- The CI check for monitoring file existence

Taskfile.yml

@@ -295,19 +295,19 @@ tasks:
       - common/Scripts/check_appstream_progress.py packages
 
   add-monitoring:
-    desc: Add skeleton for monitoring.yml
+    desc: Add skeleton for monitoring.yaml
     dir: '{{ .USER_WORKING_DIR }}'
     vars:
       DATE:
         sh: date -u +%Y-%m-%d
       COMMENT: "# No known CPE, checked {{ .DATE }}"
     cmds:
-      - touch monitoring.yml
+      - touch monitoring.yaml
       - yq --inplace '
           . head_comment="Remove all comments before submitting, except CPE check date if none found" |
           .releases.id line_comment = "Check https://release-monitoring.org/" |
           .releases.rss line_comment = "For example https://github.com/PyO3/maturin/releases.atom" |
           .releases.[] = ~ |
           (.security | key) head_comment = "{{ .COMMENT }}" |
           .security.cpe = ~
-        '  monitoring.yml
+        '  monitoring.yaml

common/CI/package_checks.py

@@ -421,7 +421,7 @@ def _includes_homepage(self, file: str) -> bool:
 
 
 class Monitoring(PullRequestCheck):
-    _error = '`monitoring.yml` is missing'
+    _error = '`monitoring.yaml` is missing'
     _level = Level.WARNING
 
     def run(self) -> List[Result]:
@@ -430,7 +430,7 @@ def run(self) -> List[Result]:
                 if not self._has_monitoring_yml(f)]
 
     def _has_monitoring_yml(self, file: str) -> bool:
-        return self._exists(os.path.join(os.path.dirname(file), 'monitoring.yml'))
+        return self._exists(os.path.join(os.path.dirname(file), 'monitoring.yaml'))
 
 
 class PackageBumped(PullRequestCheck):

packages/a/appstream-data/monitoring.yaml

@@ -1,4 +1,4 @@
-# This package will never benefit from a monitoring.yml please do not attempt to edit any of the fields.
+# This package will never benefit from a monitoring.yaml please do not attempt to edit any of the fields.
 # https://github.com/getsolus/packages/issues/4533
 releases:
   id: ~

packages/f/ffmpeg-chromium-opera/monitoring.yaml

@@ -1,4 +1,4 @@
-# This package will never benefit from a monitoring.yml please do not attempt to edit any of the fields.
+# This package will never benefit from a monitoring.yaml please do not attempt to edit any of the fields.
 # https://github.com/getsolus/packages/issues/4533
 releases:
   id: ~

packages/f/ffmpeg-chromium-vivaldi-stable/monitoring.yaml

@@ -1,4 +1,4 @@
-# This package will never benefit from a monitoring.yml please do not attempt to edit any of the fields.
+# This package will never benefit from a monitoring.yaml please do not attempt to edit any of the fields.
 # https://github.com/getsolus/packages/issues/4533
 releases:
   id: ~

packages/f/ffmpeg-chromium/monitoring.yaml

@@ -1,4 +1,4 @@
-# This package will never benefit from a monitoring.yml please do not attempt to edit any of the fields.
+# This package will never benefit from a monitoring.yaml please do not attempt to edit any of the fields.
 # https://github.com/getsolus/packages/issues/4533
 releases:
   id: ~

packages/p/piksemel/monitoring.yaml

@@ -1,4 +1,4 @@
-# This package will never benefit from a monitoring.yml please do not attempt to edit any of the fields.
+# This package will never benefit from a monitoring.yaml please do not attempt to edit any of the fields.
 # https://github.com/getsolus/packages/issues/4533
 releases:
   id: ~

packages/py/python-gobject2/monitoring.yaml

@@ -1,4 +1,4 @@
-# This package will never benefit from a monitoring.yml please do not attempt to edit any of the fields.
+# This package will never benefit from a monitoring.yaml please do not attempt to edit any of the fields.
 # https://github.com/getsolus/packages/issues/4533
 releases:
   id: ~

packages/py/python2-gobject/monitoring.yaml

@@ -1,4 +1,4 @@
-# This package will never benefit from a monitoring.yml please do not attempt to edit any of the fields.
+# This package will never benefit from a monitoring.yaml please do not attempt to edit any of the fields.
 # https://github.com/getsolus/packages/issues/4533
 releases:
   id: ~

packages/w/webrtc-audio-processing03/monitoring.yaml

@@ -1,4 +1,4 @@
-# This package will never benefit from a monitoring.yml please do not attempt to edit any of the fields.
+# This package will never benefit from a monitoring.yaml please do not attempt to edit any of the fields.
 # https://github.com/getsolus/packages/issues/4533
 releases:
   id: ~

packages/w/woff-tools/monitoring.yaml

@@ -1,4 +1,4 @@
-# This package will never benefit from a monitoring.yml please do not attempt to edit any of the fields.
+# This package will never benefit from a monitoring.yaml please do not attempt to edit any of the fields.
 # https://github.com/getsolus/packages/issues/4533
 releases:
   id: ~