fix(metric): fix path conflicts (#249)

Because

- using colons in url paths will cause conflicts either in krakend or
gin

This commit

- replace colons with `/`

go.mod

@@ -16,7 +16,7 @@ require (
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.1
 	github.com/iancoleman/strcase v0.2.0
 	github.com/influxdata/influxdb-client-go/v2 v2.12.3
-	github.com/instill-ai/protogen-go v0.3.3-alpha.0.20241104082233-1b396ff465a7
+	github.com/instill-ai/protogen-go v0.3.3-alpha.0.20241104132014-1bf251739feb
 	github.com/instill-ai/usage-client v0.2.4-alpha.0.20240123081026-6c78d9a5197a
 	github.com/instill-ai/x v0.4.0-alpha
 	github.com/knadh/koanf v1.5.0

go.sum

@@ -1090,8 +1090,8 @@ github.com/influxdata/influxdb-client-go/v2 v2.12.3 h1:28nRlNMRIV4QbtIUvxhWqaxn0
 github.com/influxdata/influxdb-client-go/v2 v2.12.3/go.mod h1:IrrLUbCjjfkmRuaCiGQg4m2GbkaeJDcuWoxiWdQEbA0=
 github.com/influxdata/line-protocol v0.0.0-20200327222509-2487e7298839 h1:W9WBk7wlPfJLvMCdtV4zPulc4uCPrlywQOmbFOhgQNU=
 github.com/influxdata/line-protocol v0.0.0-20200327222509-2487e7298839/go.mod h1:xaLFMmpvUxqXtVkUJfg9QmT88cDaCJ3ZKgdZ78oO8Qo=
-github.com/instill-ai/protogen-go v0.3.3-alpha.0.20241104082233-1b396ff465a7 h1:Xxyepd41EX7oDjEhVvAaY5Ofk2gk6Z/D0RO2lUxM200=
-github.com/instill-ai/protogen-go v0.3.3-alpha.0.20241104082233-1b396ff465a7/go.mod h1:rf0UY7VpEgpaLudYEcjx5rnbuwlBaaLyD4FQmWLtgAY=
+github.com/instill-ai/protogen-go v0.3.3-alpha.0.20241104132014-1bf251739feb h1:tJ7/VFdviz4bs3IVkuKwjrs/sltNPb1a3xVx3u3T7hA=
+github.com/instill-ai/protogen-go v0.3.3-alpha.0.20241104132014-1bf251739feb/go.mod h1:rf0UY7VpEgpaLudYEcjx5rnbuwlBaaLyD4FQmWLtgAY=
 github.com/instill-ai/usage-client v0.2.4-alpha.0.20240123081026-6c78d9a5197a h1:gmy8BcCFDZQan40c/D3f62DwTYtlCwi0VrSax+pKffw=
 github.com/instill-ai/usage-client v0.2.4-alpha.0.20240123081026-6c78d9a5197a/go.mod h1:EpX3Yr661uWULtZf5UnJHfr5rw2PDyX8ku4Kx0UtYFw=
 github.com/instill-ai/x v0.4.0-alpha h1:zQV2VLbSHjMv6gyBN/2mwwrvWk0/mJM6ZKS12AzjfQg=