[#496] .golangci.yml: Add importas linter

Add importas linter

Signed-off-by: Alexander Chuprov <a.chuprov@yadro.com>

.golangci.yml

@@ -31,6 +31,12 @@ linters-settings:
     statements: 60 # default 40
   gocognit:
     min-complexity: 40 # default 30
+  importas: 
+    no-unaliased: true
+    no-extra-aliases: false
+    alias:
+      pkg: git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object
+      alias: objectSDK
 
 linters:
   enable:
@@ -62,5 +68,6 @@ linters:
     - funlen
     - gocognit
     - contextcheck
+    - importas
   disable-all: true
   fast: false