bicep/matrix: update module and remove deprecated options

secrets/bicep/matrix.yaml

@@ -2,8 +2,6 @@ synapse:
     turnconfig: ENC[AES256_GCM,data:mASRjYa4C9WRow4x0XYRrlCE5LMJUYaId+o62r1qhsyJPa2LzrI=,iv:5vYdubvMDjLS6soiWx2DzkEAATb9NFbSS/Jhuuz1yI8=,tag:wOW07CQMDbOiZNervee/pg==,type:str]
     user_registration: ENC[AES256_GCM,data:ZDZfEEvyw8pg0WzhrdC8747ed+ZR2ZA8/WypJd/iDkmIy2RmxOeI0sE=,iv:l61mOlvzpCql4fC/eubBSU6px21et2WcpxQ6rFl14iw=,tag:sVDEAa3xipKIi/6isCjWew==,type:str]
     signing_key: ENC[AES256_GCM,data:6UpfiRlX9pRM7zhdm7Mc8y8EItLzugWkHSgE0tGpEmudCTa1wc60oNbYfhKDWU81DT/U148pZOoX1A==,iv:UlqCPicPm5eNBz1xBMI3A3Rn4t/GtldNIDdMH5MMnLw=,tag:HHaw6iMjEAv5b9mjHSVpwA==,type:str]
-sliding-sync:
-    env: ENC[AES256_GCM,data:DsU1qKTy5sn06Y0S5kFUqZHML20n6HdHUdXsQRUw,iv:/TNTc+StAZbf6pBY9CeXdxkx8E+3bak/wOqHyBNMprU=,tag:er5u4FRlSmUZrOT/sj+RhQ==,type:str]
 coturn:
     static-auth-secret: ENC[AES256_GCM,data:y5cG/LyrorkDH+8YrgcV7DY=,iv:ca90q2J3+NOy51mUBy4TMKfYMgWL4hxWDdsKIuxRBgU=,tag:hpFCns1lpi07paHyGB7tGQ==,type:str]
 mjolnir:
@@ -70,8 +68,8 @@ sops:
             WEh5NFN6SFF1TlltdWFWTGw4MHRHUkUKrKIvC87xjEmwxPQhH8dN+ZuaJTCgPY28
             pR62KxmoKFICLTHPpYP3euiAx5M9BWvgvCnA/US/5klpk8MtlreNFA==
             -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2023-10-22T00:31:46Z"
-    mac: ENC[AES256_GCM,data:UpnaUfRxvdyzBy5x4EC3w5LQ1qWxILTQhpyVPd9whTzQMAivAHT0pVmP9aE4T9w3NcWTaghp+f70GmQXx/OCC6DsRCWtU9pFHRj12YUowM3yB5lVTOomOLZQ9m4gUXw5I2GZHWBJn8CyosDcBMlXz2tiR91v/8Ulh6sDSAO86U0=,iv:5GcgRvbpqDEslZruKHM/TcMaF52A5X7AK41DEbrsRIQ=,tag:ndDgCRyX1aDRnzEUNmpoMw==,type:str]
+    lastmodified: "2024-09-27T04:34:10Z"
+    mac: ENC[AES256_GCM,data:FACb/Ow4s6dqjghAphCa1ZwIwX7+CRhIudQ9UlDtxB+4Bdpa/T0l73oaMa5lmmyCEyuVM3HXOFcm4I/urLtvaN+QQoqRYnUHKkdNYFhayGpeckZUNu7JWsFsQWk0kfKZEDqHIBoee7xBVzrVtRJeKVWv+JPlch4NVOakm3MitZA=,iv:rvve5MRDpDD/FblN8KaQ2PvxsYZSQPSw5oDfyko/Nvs=,tag:vuB0jYmO6AiNtZuSJ3ipBQ==,type:str]
     pgp:
         - created_at: "2024-08-04T00:03:46Z"
           enc: |-
@@ -94,4 +92,4 @@ sops:
             -----END PGP MESSAGE-----
           fp: F7D37890228A907440E1FD4846B9228E814A2AAC
     unencrypted_suffix: _unencrypted
-    version: 3.7.3
+    version: 3.8.1