[DB] forgejo migration v2: create the forgejo_sem_ver table

(cherry picked from commit 86b26436af)
(cherry picked from commit 479cba59ac)
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models/forgejo_migrations/v1_20/v2.go

@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: MIT
+
+package forgejo_v1_20 //nolint:revive
+
+import (
+	"xorm.io/xorm"
+)
+
+func CreateSemVerTable(x *xorm.Engine) error {
+	type ForgejoSemVer struct {
+		Version string
+	}
+
+	return x.Sync(new(ForgejoSemVer))
+}