Use go run for tool dependencies, require go 1.17 (#18874)

This ensures the tools only run in the versions we've tested and it also
does not polute PATH with those tools so they are truly isolated. This
syntax of `go run` requires go 1.17, so the minimum version is set
accordingly.

Fixes: https://github.com/go-gitea/gitea/issues/18867

Co-authored-by: techknowlogick <techknowlogick@gitea.io>

.golangci.yml

@@ -23,7 +23,7 @@ linters:
   fast: false
 
 run:
-  timeout: 3m
+  timeout: 10m
   skip-dirs:
     - node_modules
     - public
@@ -64,7 +64,7 @@ linters-settings:
       - name: modifies-value-receiver
   gofumpt:
     extra-rules: true
-    lang-version: 1.16
+    lang-version: 1.17
 
 issues:
   exclude-rules: