Add forgotten files

.gitea/workflows/build.yaml

@@ -22,3 +22,5 @@ jobs:
          run: git config --global url.git@gitea-ssh.engen.priv.no:.insteadOf https://gitea.engen.priv.no/
        - name: Build
          run: go build cmd/main.go
+       - name: Build manifest
+         run: make build-installer

.gitea/workflows/kobuild.yaml

@@ -24,3 +24,5 @@ jobs:
          run: go install github.com/google/ko@latest
        - name: Build
          run: KO_DOCKER_REPO=gitea.engen.priv.no/unifi-network-operator-controller PATH=~/go/bin:$PATH ko build --local ./cmd 
+       - name: Build manifest
+         run: make build-installer