Bump github.com/BurntSushi/toml from 1.3.2 to 1.5.0

Bumps [github.com/BurntSushi/toml](https://github.com/BurntSushi/toml) from 1.3.2 to 1.5.0.
- [Release notes](https://github.com/BurntSushi/toml/releases)
- [Commits](BurntSushi/toml@v1.3.2...v1.5.0)

---
updated-dependencies:
- dependency-name: github.com/BurntSushi/toml
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

go.mod

@@ -3,7 +3,7 @@ module github.com/mackerelio/mackerel-agent
 go 1.23.0
 
 require (
-	github.com/BurntSushi/toml v1.3.2
+	github.com/BurntSushi/toml v1.5.0
 	github.com/Songmu/gocredits v0.3.1
 	github.com/Songmu/goxz v0.9.1
 	github.com/Songmu/prompter v0.5.1

go.sum

@@ -1,5 +1,5 @@
-github.com/BurntSushi/toml v1.3.2 h1:o7IhLm0Msx3BaB+n3Ag7L8EVlByGnpq14C4YWiu/gL8=
-github.com/BurntSushi/toml v1.3.2/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
+github.com/BurntSushi/toml v1.5.0 h1:W5quZX/G/csjUnuI8SUYlsHs9M38FC7znL0lIO+DvMg=
+github.com/BurntSushi/toml v1.5.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
 github.com/Songmu/gocredits v0.3.1 h1:ggwVwnlQet7OAPvES8y1uoJ4ysJFEEc77c82HpIIW7g=
 github.com/Songmu/gocredits v0.3.1/go.mod h1:GGUAT/3BmUVgvfHxm07agU6Zz+ZSeGg5gvqN6N/CxH0=
 github.com/Songmu/goxz v0.9.1 h1:dVb4N7r2jD1XcQ7o7jMfmMfwhLZQEM7OaO6iHDBLiXc=