chore(deps): bump github.com/twmb/franz-go in /modules/redpanda

Bumps [github.com/twmb/franz-go](https://github.com/twmb/franz-go) from 1.14.4 to 1.15.0.
- [Changelog](https://github.com/twmb/franz-go/blob/master/CHANGELOG.md)
- [Commits](twmb/franz-go@v1.14.4...v1.15.0)

---
updated-dependencies:
- dependency-name: github.com/twmb/franz-go
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

modules/redpanda/go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/docker/go-connections v0.4.0
 	github.com/stretchr/testify v1.8.4
 	github.com/testcontainers/testcontainers-go v0.24.1
-	github.com/twmb/franz-go v1.14.4
+	github.com/twmb/franz-go v1.15.0
 	github.com/twmb/franz-go/pkg/kadm v1.9.0
 
 )

modules/redpanda/go.sum

@@ -116,8 +116,8 @@ github.com/tklauser/go-sysconf v0.3.11 h1:89WgdJhk5SNwJfu+GKyYveZ4IaJ7xAkecBo+Kd
 github.com/tklauser/go-sysconf v0.3.11/go.mod h1:GqXfhXY3kiPa0nAXPDIQIWzJbMCB7AmcWpGR8lSZfqI=
 github.com/tklauser/numcpus v0.6.0 h1:kebhY2Qt+3U6RNK7UqpYNA+tJ23IBEGKkB7JQBfDYms=
 github.com/tklauser/numcpus v0.6.0/go.mod h1:FEZLMke0lhOUG6w2JadTzp0a+Nl8PF/GFkQ5UVIcaL4=
-github.com/twmb/franz-go v1.14.4 h1:Bt8hyF8zOmZ/7sYD15Do1gdi3uKT9XQreBbFkMS+skA=
-github.com/twmb/franz-go v1.14.4/go.mod h1:nMAvTC2kHtK+ceaSHeHm4dlxC78389M/1DjpOswEgu4=
+github.com/twmb/franz-go v1.15.0 h1:bw5n1COKJzWpkCXG/kMtHrurcS9HSWV6e3If5CUdc+M=
+github.com/twmb/franz-go v1.15.0/go.mod h1:nMAvTC2kHtK+ceaSHeHm4dlxC78389M/1DjpOswEgu4=
 github.com/twmb/franz-go/pkg/kadm v1.9.0 h1:UgwBu0YCd6P8HLdg6ZRA4v9W6/zoI1042fOd2CvvLBE=
 github.com/twmb/franz-go/pkg/kadm v1.9.0/go.mod h1:eG3f+GHUndq1CUSVvjp+WdNq5zePeJi3tEHzyTkao6g=
 github.com/twmb/franz-go/pkg/kmsg v1.6.1 h1:tm6hXPv5antMHLasTfKv9R+X03AjHSkSkXhQo2c5ALM=