Update Go and dependencies (#90)

Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.19.9-alpine AS builder
+FROM --platform=$BUILDPLATFORM golang:1.20.4-alpine AS builder
 
 ARG TARGETOS
 ARG TARGETARCH

go.mod

@@ -1,23 +1,24 @@
 module github.com/xperimental/nextcloud-exporter
 
-go 1.19
+go 1.20
 
 require (
 	github.com/google/go-cmp v0.5.9
-	github.com/prometheus/client_golang v1.13.0
-	github.com/sirupsen/logrus v1.9.0
+	github.com/prometheus/client_golang v1.15.1
+	github.com/sirupsen/logrus v1.9.2
 	github.com/spf13/pflag v1.0.5
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.1.2 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
-	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.37.0 // indirect
-	github.com/prometheus/procfs v0.8.0 // indirect
-	golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
-	google.golang.org/protobuf v1.28.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/prometheus/client_model v0.4.0 // indirect
+	github.com/prometheus/common v0.44.0 // indirect
+	github.com/prometheus/procfs v0.10.1 // indirect
+	golang.org/x/sys v0.8.0 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
 )