Fix use GITHUB_OUTPUT from deprecated set-output (#2492)

Fixes: #2491.

Author: k1rnt

.github/workflows/tests.yml

@@ -48,8 +48,9 @@ jobs:
     # Get values for cache paths to be used in later steps 
     - id: cache-paths
       run: |
-        echo "::set-output name=go-cache::$(go env GOCACHE)"
-        echo "::set-output name=go-mod-cache::$(go env GOMODCACHE)"
+        echo "go-cache=$(go env GOCACHE)" >> $GITHUB_OUTPUT
+        echo "go-mod-cache=$(go env GOMODCACHE)" >> $GITHUB_OUTPUT
+      shell: bash
 
     - name: Cache go modules
       uses: actions/cache@v3