chore: format variable name

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       modules: ${{ steps.set-modified-modules.outputs.modules }}
-      modulesCount: ${{ steps.set-modified-modules-count.outputs.modulesCount }}
+      modules_count: ${{ steps.set-modified-modules-count.outputs.modules_count }}
     steps:
       - name: Check out code into the Go module directory
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
@@ -34,16 +34,16 @@ jobs:
 
       - id: set-modified-modules-count
         name: Set all modified modules count
-        run: echo "modulesCount=$(echo ${{ toJSON(steps.set-modified-modules.outputs.modules) }} | jq '. | length')" >> GITHUB_OUTPUT
+        run: echo "modules_count=$(echo ${{ toJSON(steps.set-modified-modules.outputs.modules) }} | jq '. | length')" >> $GITHUB_OUTPUT
 
       - name: Print out the modules to be used
         run: |
-          echo "${{ steps.set-modified-modules-count.outputs.modulesCount }} modules in the build"
+          echo "${{ steps.set-modified-modules-count.outputs.modules_count }} modules in the build"
           echo "${{ steps.set-modified-modules.outputs.modules }}"
 
   lint:
     # only run if there are modules to lint
-    if: ${{ needs.detect-modules.outputs.modulesCount > 0 }}
+    if: ${{ needs.detect-modules.outputs.modules_count > 0 }}
     needs: detect-modules
     strategy:
       matrix:
@@ -57,7 +57,7 @@ jobs:
 
   test:
     # only run if there are modules to test
-    if: ${{ needs.detect-modules.outputs.modulesCount > 0  }}
+    if: ${{ needs.detect-modules.outputs.modules_count > 0  }}
     needs:
       - detect-modules
       - lint
@@ -120,7 +120,7 @@ jobs:
     permissions:
       contents: read  # for actions/checkout to fetch code
       pull-requests: read  # for sonarsource/sonarcloud-github-action to determine which PR to decorate
-    if: ${{ github.ref_name == 'main' && github.repository_owner == 'testcontainers' && needs.detect-modules.outputs.modulesCount > 0 }}
+    if: ${{ github.ref_name == 'main' && github.repository_owner == 'testcontainers' && needs.detect-modules.outputs.modules_count > 0 }}
     needs:
       - detect-modules
       - test