chore(deps): update dependency cosign to v3

Author: renovate[bot]

dot_config/mise/config.toml

@@ -53,7 +53,7 @@ ASDF_FFMPEG_ENABLE = "gpl libx264"
 bun                                                         = "1.3.11"
 "cargo:filetree"                                            = "0.3.5"
 "cargo:fzf-make"                                            = "0.68.0"
-cosign                                                      = "2.6.2"
+cosign                                                      = "3.0.6"
 "github:affromero/gitpane"                                  = "0.5.3"
 "github:d-kuro/gwq"                                         = "0.0.19"
 "github:dyoshikawa/rulesync"                                = "8.2.0"