chore(dep): update go to 1.21 (#380)

* chore(dep): update linter in ci

* chore(dep): update linter in ci

* chore(dep): switch static checks to go 1.21

* chore(dep): add reason comment

* chore(dep): update go to 1.21

Author: Tabea Rieth

.github/workflows/golangci-lint.yml

@@ -25,5 +25,5 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
         with:
-          version: v1.51
+          version: v1.55
           only-new-issues: true

.github/workflows/main.yml

@@ -65,7 +65,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: 1.x
+          go-version: 1.21 # fails with 1.22 due to https://github.com/vektra/mockery/issues/752
           check-latest: true
       - name: Go Vet
         run: go vet ./...

go.mod

@@ -1,6 +1,6 @@
 module flamingo.me/flamingo/v3
 
-go 1.20
+go 1.21
 
 require (
 	contrib.go.opencensus.io/exporter/jaeger v0.2.1