* gnu/packages/coq.scm (coq): Update to 8.13.2. (coq-ide-server, coq-ide): New packages. (coq-gappa): Update to 1.4.6. (coq-bignums): Update to 8.13.0. (coq-interval): Update to 1.3.0. (coq-equations): Update to 1.2.4.