add simple Prow jobs (non-e2e)

Author: xrstf

.ci-operator.yaml

@@ -0,0 +1,74 @@
+presubmits:
+  - name: pull-kcp-verify
+    always_run: true
+    decorate: true
+    clone_uri: "https://github.com/kcp-dev/kcp"
+    labels:
+      preset-goproxy: "true"
+    spec:
+      containers:
+        - image: ghcr.io/kcp-dev/infra/build:1.19.9-2
+          command:
+            - make
+            - verify-boilerplate
+            - verify-modules
+            - verify-k8s-deps
+            - verify-imports
+          resources:
+            requests:
+              memory: 1Gi
+              cpu: 1
+
+  - name: pull-kcp-verify-codegen
+    always_run: true
+    decorate: true
+    clone_uri: "https://github.com/kcp-dev/kcp"
+    labels:
+      preset-goproxy: "true"
+    spec:
+      containers:
+        - image: ghcr.io/kcp-dev/infra/build:1.19.9-2
+          command:
+            - make
+            - verify-codegen
+          resources:
+            requests:
+              memory: 1Gi
+              cpu: 1
+
+  - name: pull-kcp-lint
+    always_run: true
+    decorate: true
+    clone_uri: "https://github.com/kcp-dev/kcp"
+    labels:
+      preset-goproxy: "true"
+    spec:
+      containers:
+        - image: ghcr.io/kcp-dev/infra/build:1.19.9-2
+          command:
+            - make
+            - lint
+          resources:
+            requests:
+              memory: 4Gi
+              cpu: 2
+
+  - name: pull-kcp-test-unit
+    always_run: true
+    decorate: true
+    clone_uri: "https://github.com/kcp-dev/kcp"
+    labels:
+      preset-goproxy: "true"
+    spec:
+      containers:
+        - image: ghcr.io/kcp-dev/infra/build:1.19.9-2
+          command:
+            - make
+            - test
+          env:
+            - name: USE_GOTESTSUM
+              value: '1'
+          resources:
+            requests:
+              memory: 4Gi
+              cpu: 2

.prow.yaml

@@ -19,7 +19,6 @@ set -o pipefail
 
 VERSION=$(grep "go 1." go.mod | sed 's/go //')
 
-grep "tag: \"" .ci-operator.yaml | { ! grep -v "${VERSION}"; } || { echo "Wrong go version in .ci-operator.yaml, expected ${VERSION}"; exit 1; }
 grep "FROM .* golang:" Dockerfile | { ! grep -v "${VERSION}"; } || { echo "Wrong go version in Dockerfile, expected ${VERSION}"; exit 1; }
 grep -w "go-version:" .github/workflows/*.yaml | { ! grep -v "go-version: v${VERSION}"; } || { echo "Wrong go version in .github/workflows/*.yaml, expected ${VERSION}"; exit 1; }