chore(deps): bump connectrpc.com/connect from 1.16.1 to 1.18.1 (#2033)

Bumps [connectrpc.com/connect](https://github.com/connectrpc/connect-go) from 1.16.1 to 1.18.1.
- [Release notes](https://github.com/connectrpc/connect-go/releases)
- [Changelog](https://github.com/connectrpc/connect-go/blob/main/RELEASE.md)
- [Commits](connectrpc/connect-go@v1.16.1...v1.18.1)

---
updated-dependencies:
- dependency-name: connectrpc.com/connect
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -5,7 +5,7 @@ go 1.23
 toolchain go1.23.2
 
 require (
-	connectrpc.com/connect v1.16.1
+	connectrpc.com/connect v1.18.1
 	github.com/Masterminds/semver/v3 v3.3.1
 	github.com/fatih/color v1.18.0
 	github.com/go-openapi/runtime v0.28.0

go.sum

@@ -1,5 +1,5 @@
-connectrpc.com/connect v1.16.1 h1:rOdrK/RTI/7TVnn3JsVxt3n028MlTRwmK5Q4heSpjis=
-connectrpc.com/connect v1.16.1/go.mod h1:XpZAduBQUySsb4/KO5JffORVkDI4B6/EYPi7N8xpNZw=
+connectrpc.com/connect v1.18.1 h1:PAg7CjSAGvscaf6YZKUefjoih5Z/qYkyaTrBW8xvYPw=
+connectrpc.com/connect v1.18.1/go.mod h1:0292hj1rnx8oFrStN7cB4jjVBeqs+Yx5yDIC2prWDO8=
 dario.cat/mergo v1.0.0 h1:AGCNq9Evsj31mOgNPcLyXc+4PNABt905YmuqPYYpBWk=
 dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=