chore(deps): Upgrade filtermail to v0.7.8

## 0.7.8 - 2026-11-04

### Features

- Set read/write timeouts to incoming HTTP streams
- Set read/write timeouts for SMTP server streams
- Introduce a timeout for WorkerMessage

### Miscellaneous Tasks

- Add cargo-deny and apply security fixes

### Performance

- Avoid copying armored payload in check_armored_payload()
- Switch to jemalloc
- *(smtp-server)* Pre-allocate data vector to max_size
- *(smtp-server)* Reuse line buffer for reading DATA lines
- *(smtp-server)* Shrink_to_fit() data buffers at the end of DATA command

Signed-off-by: Jagoda Ślązak <jslazak@jslazak.com>

cmdeploy/src/cmdeploy/pins.py

@@ -1,14 +1,14 @@
 """Versions, hashes, and download URLs for pre-built artifacts fetched during deploy."""
 
-FILTERMAIL_VERSION = "v0.7.7"
+FILTERMAIL_VERSION = "v0.7.8"
 FILTERMAIL_ARTIFACTS = {
     "x86_64": (
         f"https://github.com/chatmail/filtermail/releases/download/{FILTERMAIL_VERSION}/filtermail-x86_64",
-        "0691debf501f854f4e6a9dd6516f3a0ef03d95721a9b540309014bfe1a1f52b1",
+        "f470431f98468b9f4d2452470bffc00c0010b3f92655005d59b997f599fd7d4a",
     ),
     "aarch64": (
         f"https://github.com/chatmail/filtermail/releases/download/{FILTERMAIL_VERSION}/filtermail-aarch64",
-        "964f85df8b65b812666113f968cbfdd8da88ce16d218284deb359c1e2400d2da",
+        "a15a476ab92072ad22f1bc9d81e5c545bc3d81fc9d446d53f8cc1de810867837",
     ),
     "mtail": (
         f"https://raw.githubusercontent.com/chatmail/filtermail/{FILTERMAIL_VERSION}/contrib/filtermail.mtail",