goreleaser: drop windows/arm build target

Go 1.26 removed the broken 32-bit windows/arm port, so building
for this target is no longer possible.

Signed-off-by: Nick Van Wiggeren <nick@planetscale.com>

Author: nickvanw

.goreleaser.yml

@@ -47,6 +47,9 @@ builds:
       - amd64
       - arm
       - arm64
+    ignore:
+      - goos: windows
+        goarch: arm
     main: ./cmd/pscale/main.go
     ldflags:
       - -s -w -X main.version={{.Version}} -X main.commit={{.ShortCommit}} -X main.date={{.Date}}