OP-3702 Update pools schemas

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.18.15-rc6",
+  "version": "0.18.15-rc7",
   "description": "Orion Protocol SDK",
   "main": "./lib/index.cjs",
   "module": "./lib/index.js",

src/services/OrionBlockchain/schemas/governancePoolSchema.ts

@@ -1,14 +1,14 @@
 import { z } from 'zod';
 
 const governancePoolSchema = z.object({
-  base_apr: z.number(),
-  max_apr: z.number(),
+  base_apr: z.union([z.null(), z.number()]),
+  max_apr: z.union([z.null(), z.number()]),
   tvl: z.string(),
   lp_supply: z.string(),
   lp_staked: z.string(),
   lp_staked_with_boost: z.string(),
   lp_price_in_usd: z.string(),
-  reward_per_period: z.number(),
+  reward_per_period: z.string(),
   lock_time_for_max_multiplier: z.string(),
   lock_max_multiplier: z.string(),
   veorn_max_multiplier: z.string(),

src/services/OrionBlockchain/schemas/governancePoolsSchema.ts

@@ -12,8 +12,8 @@ const governancePoolsSchema = z.array(
     pool_tokens: z.tuple([z.string(), z.string()]),
     pool_rewards: z.array(z.string()),
     tvl: z.string(),
-    base_apr: z.null(),
-    max_apr: z.null(),
+    base_apr: z.union([z.null(), z.number()]),
+    max_apr: z.union([z.null(), z.number()]),
     reward_per_period: z.string(),
     weight: z.string(),
     liquidity: z.string(),