community/alloy: temporarily disable on riscv64

Temporarily disable on riscv64 due to build error with nodejs 24.x.

```
$ react-scripts build
(node:6884) [DEP0176] DeprecationWarning: fs.F_OK is deprecated, use fs.constants.F_OK instead
(Use `node --trace-deprecation ...` to show where the warning was created)
Creating an optimized production build...

[...]

 Fatal error in , line 0
 Check failed: (trampoline_pos - fixup_pos) <= kMaxBranchOffset.

FailureMessage Object: 0x3f91ffb168
----- Native stack trace -----

error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
>>> ERROR: alloy: build failed
```

See also:

nodejs/node#60895
nodejs/node#60962

Author: mio

community/alloy/APKBUILD

@@ -5,7 +5,9 @@ pkgver=1.11.3
 pkgrel=1
 pkgdesc="OpenTelemetry Collector distribution with programmable pipelines"
 url="https://grafana.com/oss/alloy"
-arch="all !armhf !armv7 !x86" # needs 64 bits arch
+# riscv64: Check failed: (trampoline_pos - fixup_pos) <= kMaxBranchOffset
+# https://github.com/nodejs/node/issues/60895
+arch="all !armhf !armv7 !x86 !riscv64" # needs 64 bits arch
 license="Apache-2.0"
 makedepends="go yarn zstd-dev"
 subpackages="$pkgname-openrc"