fix: reduce transcription timeout to 30s (v2.03.04)

300s was too long; nobody waits 5 min for a result.
30s gives slow remote servers a fair window while still failing fast.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

linux/blitztext/__init__.py

@@ -6,4 +6,4 @@ counterpart to the macOS Blitztext menu bar app: it runs natively on the host
 (not in a container) so it can type into any application via xdotool.
 """
 
-__version__ = "2.03.03"
+__version__ = "2.03.04"

linux/blitztext/stt.py

@@ -196,7 +196,7 @@ def transcribe(
     language: str = "",
     hotwords: str = "",
     local_transcriber=None,
-    timeout: int = 300,
+    timeout: int = 30,
 ) -> str:
     if engine.is_local:
         if local_transcriber is None: