fix: remove nix from CI (#380)

Author: razvan

template/.github/workflows/build.yml.j2

@@ -348,7 +348,7 @@ jobs:
       - name: Install syft
         uses: anchore/sbom-action/download-syft@7ccf588e3cf3cc2611714c2eeae48550fbc17552 # v0.15.11
       - name: Build Docker image and Helm chart
-        run: make -e build
+        run: make -e build-ci
       - name: Publish Docker image and Helm chart
         if: ${{ !github.event.pull_request.head.repo.fork }}
         run: make -e publish

template/Makefile.j2

@@ -148,6 +148,11 @@ regenerate-nix:
 
 build: regenerate-charts regenerate-nix helm-package docker-build
 
+# This target is used by the CI
+# It doesn't make use of any nix dependencies and thus aviods building the
+# operator unnecessarily often.
+build-ci: regenerate-charts helm-package docker-build
+
 publish: docker-publish helm-publish
 
 check-nix: