chore: price-feeder ctx cleanup (#1098)

Removes an unnecessary additional context from the price-feeder height subscription logic as mentioned [here](#1084 (comment))

---

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- [ ] added `!` to the type prefix if API or client breaking change
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price-feeder/cmd/price-feeder.go

@@ -119,6 +119,7 @@ func priceFeederCmdHandler(cmd *cobra.Command, args []string) error {
 	}
 
 	oracleClient, err := client.NewOracleClient(
+		ctx,
 		logger,
 		cfg.Account.ChainID,
 		cfg.Keyring.Backend,

price-feeder/oracle/client/client.go

@@ -54,6 +54,7 @@ type (
 )
 
 func NewOracleClient(
+	ctx context.Context,
 	logger zerolog.Logger,
 	chainID string,
 	keyringBackend string,
@@ -99,7 +100,7 @@ func NewOracleClient(
 	}
 
 	chainHeight, err := NewChainHeight(
-		context.Background(),
+		ctx,
 		clientCtx.Client,
 		oracleClient.Logger,
 		blockHeight,