Clarify that .po and .pot files aren't normalised by strip-nondetermism by renaming an issue.

issues.yml

@@ -656,10 +656,10 @@ different_pot_creation_date_in_gettext_mo_files:
     When using dh, they will be normalized by strip-nondeterminism.
   deterministic: True
   url: https://bugs.debian.org/792687
-different_pot_creation_date_in_gettext_pot_files:
+different_pot_creation_date_in_gettext_pot_or_pot_files:
   description: |
     (Note this is not the same as different_pot_creation_date_in_gettext_mo_files.)
-    When using dh, they will be normalized by strip-nondeterminism.
+    When using dh, .mo files will be normalized by strip-nondeterminism.
   url: https://savannah.gnu.org/bugs/?49654
 ftbfs_due_to_jenkins_semaphore_setup:
   description: |

packages.yml

@@ -7614,11 +7614,11 @@ gnome-sharp2:
 gnome-shell-extension-caffeine:
   version: 44-2
   issues:
-    - different_pot_creation_date_in_gettext_pot_files
+    - different_pot_creation_date_in_gettext_po_or_pot_files
 gnome-shell-extension-easyscreencast:
   version: 1.4.0-1
   issues:
-    - different_pot_creation_date_in_gettext_pot_files
+    - different_pot_creation_date_in_gettext_po_or_pot_files
 gnome-shell-mailnag:
   version: 3.26.0-1
   issues: