[#1718] linter: Enable gocritic linter

See https://go-critic.com/overview#checkers-from-the-diagnostic-group for
list of default enabled checkers.
`ifElseChain` disabled as it generates doubtful issues.

Change-Id: I5937b116d9af8b3cdf8b06451c4904d0b3f67f68
Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

.golangci.yml

@@ -18,6 +18,7 @@ linters:
     - exhaustive
     - funlen
     - gocognit
+    - gocritic
     - godot
     - importas
     - ineffassign
@@ -44,6 +45,9 @@ linters:
       statements: 60
     gocognit:
       min-complexity: 40
+    gocritic:
+      disabled-checks:
+        - ifElseChain
     importas:
       alias:
         - pkg: git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object