Add gdb to the supported list

index.md

@@ -188,6 +188,7 @@ color by default via `NO_COLOR`.
 | [git-delete-merged-branches](https://github.com/hartwork/git-delete-merged-branches) | Command-line tool to delete merged Git branches | [2020-06-29 / 1.2.0](https://github.com/hartwork/git-delete-merged-branches/commit/62bd406fba91e831e29663a483bfe7659b4c62f3) |
 | [git-subline-merge](https://github.com/paulaltin/git-subline-merge) | Git merge driver for resolving conflicts | [2019-07-27](https://github.com/paulaltin/git-subline-merge/commit/d8f738a62f96dfdf315511cece7c93526e48baef) |
 | [GitHub CLI](https://github.com/cli/cli) | CLI for GitHub to manage pull requests, issues, and others | [2020-09-16 / 1.0.0](https://github.com/cli/cli/commit/6d0da077b656354865360253dc7c482a1dbaa224) |
+| [GNU gdb](https://www.sourceware.org/gdb/) | The GNU Debugger | [2023-09-29 / 14.1](https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=4ebfd53de03599b73838ee339e47652ac26c37c0) |
 | [gocryptfs](https://github.com/rfjakob/gocryptfs) | Encrypted FUSE filesystem | [2021-12-11 / 2.3](https://github.com/rfjakob/gocryptfs/commit/a1f01419e2e6e5d637ec7afa31c0a1d95e0ea923) |
 | [gojq](https://github.com/itchyny/gojq) | Pure Go implementation of jq | [2020-03-20 / 0.10.0](https://github.com/itchyny/gojq/commit/17bccf1feb25e428223a31a0cd65c2827e2ef0c1) |
 | [gopass](https://github.com/gopasspw/gopass) | Password store for teams | [2018-06-06 / 1.8.0](https://github.com/gopasspw/gopass/releases/tag/v1.8.0) |