Upgrade mautrix-instagram (0.2.1 -> latest)

We don't like updating to untagged releases, but..

0.2.1 has some regression and upstream is not releasing 0.2.2 or 0.3.0
just yet, so we either need to downgrade to 0.2.0 or go `latest`.

We can hopefully switch back to a tagged release soon.

Related to https://github.com/mautrix/instagram/issues/56

roles/matrix-bridge-mautrix-instagram/defaults/main.yml

@@ -8,7 +8,7 @@ matrix_mautrix_instagram_container_image_self_build: false
 matrix_mautrix_instagram_container_image_self_build_repo: "https://github.com/mautrix/instagram.git"
 matrix_mautrix_instagram_container_image_self_build_repo_version: "{{ 'master' if matrix_mautrix_instagram_version == 'latest' else matrix_mautrix_instagram_version }}"
 
-matrix_mautrix_instagram_version: v0.2.1
+matrix_mautrix_instagram_version: latest
 # See: https://mau.dev/tulir/mautrix-instagram/container_registry
 matrix_mautrix_instagram_docker_image: "{{ matrix_mautrix_instagram_docker_image_name_prefix }}mautrix/instagram:{{ matrix_mautrix_instagram_version }}"
 matrix_mautrix_instagram_docker_image_name_prefix: "{{ 'localhost/' if matrix_mautrix_instagram_container_image_self_build else 'dock.mau.dev/' }}"