so you can't use env there

.github/workflows/y.yml

@@ -40,6 +40,7 @@ jobs:
         with:
           java-version: "17"
           distribution: "zulu"
+        if: env.ACT!='true'
 
       # Generates and submits a dependency graph, enabling Dependabot Alerts for all project dependencies.
       # See: https://github.com/gradle/actions/blob/main/dependency-submission/README.md
@@ -48,6 +49,7 @@ jobs:
         with:
           # The gradle project is not in the root of the repository.
           build-root-directory: server
+        if: env.ACT!='true'
 
   docker-publish:
     runs-on: ubuntu-latest
@@ -68,13 +70,6 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-      # Install the cosign tool except on PR
-      # https://github.com/sigstore/cosign-installer
-      - name: Install cosign
-        if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@v3.5.0
 
       # Set up BuildKit Docker container builder to be able to build
       # multi-platform images and export cache
@@ -82,6 +77,14 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      # Install the cosign tool except on PR
+      # https://github.com/sigstore/cosign-installer
+      - name: Install cosign
+        if: github.event_name != 'pull_request' && env.ACT!='true'
+        uses: sigstore/cosign-installer@v3.5.0
+
       # Login against a Docker registry except on PR
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
@@ -120,7 +123,7 @@ jobs:
       # transparency data even for private images, pass --force to cosign below.
       # https://github.com/sigstore/cosign
       - name: Sign the published Docker image
-        if: ${{ github.event_name != 'pull_request' }}
+        if: ${{ github.event_name != 'pull_request' }} && env.ACT!='true'
         env:
           # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
           TAGS: ${{ steps.meta.outputs.tags }}