build(deps): Bump atsigncompany/buildimage

Bumps the docker group with 1 update in the /tools/multibuild directory: atsigncompany/buildimage.


Updates `atsigncompany/buildimage` from 3.5.2 to 3.5.2_3.6.0-149.3.beta

---
updated-dependencies:
- dependency-name: atsigncompany/buildimage
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: docker
...

Signed-off-by: dependabot[bot] <[email protected]>

tools/multibuild/Dockerfile.package

@@ -1,7 +1,7 @@
 # Dockerfile.package
 # A dockerfile for packaging SSH No Ports releases using docker buildx
 
-FROM atsigncompany/buildimage:3.5.2@sha256:3edb21e4d12e11d7a7a9a52af694b739eb3579c4deff2aa1ca6c31699a8af64c AS build
+FROM atsigncompany/buildimage:3.5.2_3.6.0-149.3.beta@sha256:df67b9e3271381fc0c5b20e7350cf4de8dad6ac62e075b49b1a866c49af47409 AS build
 # Using atsigncompany/buildimage until official dart image has RISC-V support
 # See https://github.com/atsign-company/at_dockerfiles for source and automated builds
 WORKDIR /noports