🌱 Replace deprecated command with environment file (#3298)

Author: jongwooo

.github/workflows/apidiff.yml

@@ -21,7 +21,7 @@ jobs:
         run: |
           REF="HEAD^"
           [[ -z "${{ github.base_ref }}" ]] || REF=$(git show-ref ${{ github.base_ref }} | head -1 | cut -d' ' -f2)
-          echo "::set-output name=skip::$(test/check-docs-only.sh $REF)"
+          echo "skip=$(test/check-docs-only.sh $REF)" >> $GITHUB_OUTPUT
 
   go-apidiff:
     name: Verify API differences

.github/workflows/lint.yml

@@ -21,7 +21,7 @@ jobs:
         run: |
           REF="HEAD^"
           [[ -z "${{ github.base_ref }}" ]] || REF=$(git show-ref ${{ github.base_ref }} | head -1 | cut -d' ' -f2)
-          echo "::set-output name=skip::$(test/check-docs-only.sh $REF)"
+          echo "skip=$(test/check-docs-only.sh $REF)" >> $GITHUB_OUTPUT
 
   lint:
     name: golangci-lint
@@ -56,4 +56,4 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Run yamllint make target
-        run: make yamllint
+        run: make yamllint

.github/workflows/unit-tests.yml

@@ -21,7 +21,7 @@ jobs:
         run: |
           REF="HEAD^"
           [[ -z "${{ github.base_ref }}" ]] || REF=$(git show-ref ${{ github.base_ref }} | head -1 | cut -d' ' -f2)
-          echo "::set-output name=skip::$(test/check-docs-only.sh $REF)"
+          echo "skip=$(test/check-docs-only.sh $REF)" >> $GITHUB_OUTPUT
 
   test:
     name: ${{ matrix.os }}