fix: disable UPX compression to resolve #863 startup regression

UPX --best/--lzma/--brute adds ~3s startup time on low-spec systems
(linux/arm) due to in-memory decompression on every invocation of gost -V.
Disabled by default; opt in via GORELEASER_UPX=true for release builds
that need it.

.goreleaser.yaml

@@ -40,65 +40,10 @@ builds:
       - "-s -w -X 'main.version={{ .Tag }}'"
 
 upx:
-  - # Whether to enable it or not.
+  - # UPX compression. Disabled by default (see #863): upx --best/--lzma/--brute
-    #
+    # adds ~3s startup time on low-spec systems (linux/arm). Release builds can
-    # Templates: allowed.
+    # opt in via GORELEASER_UPX=true environment variable.
-    enabled: true
+    enabled: false
-
-    # Filter by build ID.
-    # ids: [build1, build2]
-
-    # Filter by GOOS.
-    goos: [linux]
-
-    # Filter by GOARCH.
-    goarch: [arm, arm64, amd64]
-
-    # Filter by GOARM.
-    # goarm: [8]
-
-    # Filter by GOAMD64.
-    # goamd64: [v1]
-
-    # Compress argument.
-    # Valid options are from '1' (faster) to '9' (better), and 'best'.
-    compress: best
-
-    # Whether to try LZMA (slower).
-    lzma: true
-
-    # Whether to try all methods and filters (slow).
-    brute: true
-
-  - # Whether to enable it or not.
-    #
-    # Templates: allowed.
-    enabled: true
-
-    # Filter by build ID.
-    # ids: [build1, build2]
-
-    # Filter by GOOS.
-    goos: [windows]
-
-    # Filter by GOARCH.
-    goarch: [amd64]
-
-    # Filter by GOARM.
-    # goarm: [8]
-
-    # Filter by GOAMD64.
-    # goamd64: [v1]
-
-    # Compress argument.
-    # Valid options are from '1' (faster) to '9' (better), and 'best'.
-    compress: best
-
-    # Whether to try LZMA (slower).
-    lzma: true
-
-    # Whether to try all methods and filters (slow).
-    brute: true
 
 archives:
   - format: tar.gz