fix(GlAnimatedIcon): explicitly set animation properties

mentioned in commit d888b16e

mentioned in merge request gitlab-org/frontend/playground/accessibility-scanner!67 (closed)

mentioned in merge request gitlab-svgs!1127 (closed)

mentioned in merge request gitlab-org/frontend/pajamas-adoption-scanner!367 (merged)

mentioned in merge request status-page!903

mentioned in merge request gitlab-svgs!1128 (merged)

mentioned in merge request gitlab-org/editor-extensions/gitlab-jetbrains-plugin!1638 (merged)

mentioned in merge request gitlab-svgs!1130 (closed)

mentioned in merge request gitlab!186887 (merged)

mentioned in merge request gitlab!186921 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!4369 (merged)

mentioned in merge request gitlab-org/technical-writing/docs-gitlab-com!682 (closed)

mentioned in merge request gitlab-org/technical-writing/docs-gitlab-com!683 (merged)