Build in Copr for aarch64 (#439)

Build in Copr for aarch64

fedora-stable-aarch64 should be sufficient for container image builds, but perhaps it would make more sense to use fedora-all-aarch64 in jobs where we already build for fedora-all? WDYT?

Reviewed-by: Maja Massarini

.packit.yaml

@@ -87,6 +87,7 @@ jobs:
     packages: [specfile]
     targets:
       - fedora-all
+      - fedora-all-aarch64
       - epel-9
   - job: copr_build
     trigger: pull_request
@@ -100,6 +101,7 @@ jobs:
     packages: [specfile]
     targets:
       - fedora-all
+      - fedora-all-aarch64
       - epel-9
     project: packit-dev
     list_on_homepage: True
@@ -120,6 +122,7 @@ jobs:
     packages: [specfile]
     targets:
       - fedora-stable
+      - fedora-stable-aarch64
       - epel-9
     project: packit-stable
     list_on_homepage: True
@@ -139,6 +142,7 @@ jobs:
     packages: [specfile]
     targets:
       - fedora-all
+      - fedora-all-aarch64
       - epel-9
     project: packit-releases
     list_on_homepage: True