General code optimisations. (#16)

* General code optimisations.

go.mod

@@ -1,8 +1,6 @@
 module github.com/lukaszraczylo/graphql-monitoring-proxy
 
-go 1.21.0
-
-toolchain go1.22.4
+go 1.22.4
 
 require (
 	github.com/VictoriaMetrics/metrics v1.34.0
@@ -16,8 +14,8 @@ require (
 	github.com/graphql-go/graphql v0.8.1
 	github.com/jackc/pgx/v5 v5.6.0
 	github.com/lukaszraczylo/ask v0.0.0-20230927103145-2ff1123b4415
-	github.com/lukaszraczylo/go-ratecounter v0.1.10
-	github.com/lukaszraczylo/go-simple-graphql v1.2.14
+	github.com/lukaszraczylo/go-ratecounter v0.1.12
+	github.com/lukaszraczylo/go-simple-graphql v1.2.17
 	github.com/redis/go-redis/v9 v9.5.3
 	github.com/stretchr/testify v1.9.0
 	github.com/valyala/fasthttp v1.55.0
@@ -32,13 +30,13 @@ require (
 	github.com/gookit/color v1.5.4 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
+	github.com/jackc/puddle/v2 v2.2.1 // indirect
 	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-runewidth v0.0.15 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
-	github.com/rogpeppe/go-internal v1.11.0 // indirect
 	github.com/rs/zerolog v1.33.0 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fastrand v1.1.0 // indirect
@@ -47,7 +45,6 @@ require (
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
 	github.com/yuin/gopher-lua v1.1.1 // indirect
 	golang.org/x/crypto v0.24.0 // indirect
-	golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842 // indirect
 	golang.org/x/net v0.26.0 // indirect
 	golang.org/x/sync v0.7.0 // indirect
 	golang.org/x/sys v0.21.0 // indirect