Migration to golangci-lint v2…

Also updating the action as it is tied to it.

Signed-off-by: Vincent Demeester <vincent@sbr.pm>

Author: vdemeester

.github/workflows/ci.yaml

@@ -55,9 +55,9 @@ jobs:
         fi
         echo "$gofmt_out"
     - name: golangci-lint
-      uses: golangci/golangci-lint-action@4696ba8babb6127d732c3c6dde519db15edab9ea  # v6.5.1
+      uses: golangci/golangci-lint-action@4afd733a84b1f43292c63897423277bb7f4313a9 # v8.0.0
       with:
-        version: v1.64.6
+        version: v2.1.6
         only-new-issues: true
         args: --timeout=10m
     - name: yamllint