Update golang Docker tag to v1.22

Author: renovate[bot]

.drone.yml

@@ -13,7 +13,7 @@ pool:
 steps:
 - name: staticcheck
   pull: always
-  image: golang:1.19
+  image: golang:1.22
   commands:
   - go get honnef.co/go/tools/cmd/staticcheck
   - go run honnef.co/go/tools/cmd/staticcheck ./...
@@ -23,7 +23,7 @@ steps:
 
 - name: lint
   pull: always
-  image: golang:1.19
+  image: golang:1.22
   commands:
   - go get golang.org/x/lint/golint
   - go run golang.org/x/lint/golint -set_exit_status ./...
@@ -33,7 +33,7 @@ steps:
 
 - name: vet
   pull: always
-  image: golang:1.19
+  image: golang:1.22
   commands:
   - go vet ./...
   volumes:
@@ -42,7 +42,7 @@ steps:
 
 - name: test
   pull: always
-  image: golang:1.19
+  image: golang:1.22
   commands:
   - go test -cover -v ./...
   volumes: