chore(deps): update dependency go to v1.23.5

Author: renovate[bot]

providers/flagd/go.mod

@@ -2,7 +2,7 @@ module github.com/open-feature/go-sdk-contrib/providers/flagd
 
 go 1.22.0
 
-toolchain go1.23.4
+toolchain go1.23.5
 
 require (
 	buf.build/gen/go/open-feature/flagd/connectrpc/go v1.17.0-20240906125204-0a6a901b42e8.1

providers/flagsmith/go.mod

@@ -2,7 +2,7 @@ module github.com/open-feature/go-sdk-contrib/providers/flagsmith
 
 go 1.22
 
-toolchain go1.23.4
+toolchain go1.23.5
 
 require (
 	github.com/Flagsmith/flagsmith-go-client/v3 v3.7.0

providers/go-feature-flag/go.mod

@@ -2,7 +2,7 @@ module github.com/open-feature/go-sdk-contrib/providers/go-feature-flag
 
 go 1.21.0
 
-toolchain go1.22.5
+toolchain go1.23.5
 
 require (
 	github.com/bluele/gcache v0.0.2