fix: all praise the allmighty yamllinter

roles/matrix-synapse/tasks/rust-synapse-compress-state/compress_room.yml

@@ -1,3 +1,5 @@
+---
+
 - debug:
     msg: "Compressing room `{{ room_details.room_id }}` having {{ room_details.count }} state group rows"
 

roles/matrix-synapse/tasks/rust-synapse-compress-state/main.yml

@@ -1,3 +1,4 @@
+---
 # Pre-checks
 
 - name: Fail if Postgres not enabled
@@ -80,12 +81,12 @@
 # Row 3 contains a space when there's no result.
 
 - block:
-  - debug: var="matrix_synapse_rust_synapse_compress_state_find_rooms_command_result"
+    - debug: var="matrix_synapse_rust_synapse_compress_state_find_rooms_command_result"
 
-  - name: Fail if room find result is not what we expect
-    fail:
-      msg: >-
-        Expecting 4 lines in the "find rooms" result.
+    - name: Fail if room find result is not what we expect
+      fail:
+        msg: >-
+          Expecting 4 lines in the "find rooms" result.
   when: "matrix_synapse_rust_synapse_compress_state_find_rooms_command_result.failed or matrix_synapse_rust_synapse_compress_state_find_rooms_command_result.stdout_lines|length != 4"
 
 - block: