ci: switch to golangci-lint 1.45

For release notes, see
https://github.com/golangci/golangci-lint/releases/tag/v1.45.0

Notably, it adds support for Go 1.18.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

.github/workflows/validate.yml

@@ -25,7 +25,7 @@ jobs:
           sudo apt -q install libseccomp-dev
       - uses: golangci/golangci-lint-action@v3
         with:
-          version: v1.44
+          version: v1.45
 
   lint-extra:
     # Extra linters, only checking new code from pull requests.
@@ -46,7 +46,7 @@ jobs:
         with:
           only-new-issues: true
           args: --config .golangci-extra.yml
-          version: v1.44
+          version: v1.45
 
 
   compile-buildtags: