Update distribution-scripts (#16411)

This includes the following changes:

* [Fix remove `-levent` from linker command \[followup #385\] (distribution-scripts#393)](crystal-lang/distribution-scripts#393)
* [Build architecture-agnostic docker images (distribution-scripts#390)](crystal-lang/distribution-scripts#390)
* [Add linux-aarch64 tarballs to publish-crystal-packages-on-github.sh (distribution-scripts#388)](crystal-lang/distribution-scripts#388)
* [Drop libevent (distribution-scripts#385)](crystal-lang/distribution-scripts#385)

Author: straight-shoota

.circleci/config.yml

@@ -8,7 +8,7 @@ parameters:
   distribution-scripts-version:
     description: "Git ref for version of https://github.com/crystal-lang/distribution-scripts/"
     type: string
-    default: "24d03358df6d6ecc485b640caa93ec50ccbb400e"
+    default: "b6eef3f66ccb72a37026dcf306b37f1fc6da9de8"
   previous_crystal_base_url:
     description: "Prefix for URLs to Crystal bootstrap compiler"
     type: string
@@ -353,7 +353,7 @@ jobs:
           cd /tmp/workspace/distribution-scripts
           source build.env
           cd docker
-          make all64 CRYSTAL_DEB=/tmp/workspace/build/crystal_${CRYSTAL_VERSION}-1_amd64.deb CRYSTAL_TARGZ=/tmp/workspace/build/crystal-$CRYSTAL_VERSION-1-linux-x86_64.tar.gz
+          make all64 TARBALLS=/tmp/workspace/build/
       - persist_to_workspace:
           root: /tmp/workspace/distribution-scripts/docker/
           paths: