ci: bump ubuntu runner version

1. tarantool/setup-tarantool#36

Author: oleg-jukovec

.github/workflows/check.yaml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   luacheck:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     if: |
       github.event_name == 'push' ||
       github.event_name == 'pull_request' &&
@@ -26,7 +26,7 @@ jobs:
       run: ./.rocks/bin/luacheck .
 
   golangci-lint:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     if: |
       github.event_name == 'push' ||
       github.event_name == 'pull_request' &&
@@ -50,7 +50,7 @@ jobs:
           args: -E goimports -D errcheck
 
   codespell:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     if: |
       github.event_name == 'push' ||
       github.event_name == 'pull_request' &&

.github/workflows/testing.yml

@@ -21,7 +21,7 @@ jobs:
         github.event.pull_request.head.repo.full_name != github.repository) ||
       (github.event_name == 'workflow_dispatch')
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     strategy:
       fail-fast: false
@@ -108,7 +108,7 @@ jobs:
         github.event.label.name == 'full-ci') ||
       (github.event_name == 'workflow_dispatch')
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     strategy:
       fail-fast: false