add GH Action to ensure a build with Go 1.18

Author: FGasper

.github/workflows/all.yml

@@ -0,0 +1,25 @@
+on:
+  push:
+    branches:
+      - '*'
+    tags-ignore:
+      - '*'
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        go_version:
+          - 1.18
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v5
+        go-version: ${{ matrix.go_version }}
+
+      - run: go build main/migration_verifier.go

internal/verifier/summary.go

@@ -386,7 +386,7 @@ func (verifier *Verifier) printChangeEventStatistics(builder *strings.Builder) {
 		"0",
 		fmt.Sprintf("%d total, across %d namespace(s)", totalEvents, activeNamespacesCount),
 	)
-	builder.WriteString(fmt.Sprintf("Change events this generation: %s\n", eventsDescr))
+	builder.WriteString(fmt.Sprintf("\nChange events this generation: %s\n", eventsDescr))
 
 	if totalEvents == 0 {
 		return