[#1671] Use fmt.Appendf where warranted

Fix gopls warnings:
```
cmd/frostfs-adm/internal/modules/morph/config/config.go:68:20-64: Replace []byte(fmt.Sprintf...) with fmt.Appendf
````

gopatch:
```
@@
var f expression
@@
-[]byte(fmt.Sprintf(f, ...))
+fmt.Appendf(nil, f, ...)
```

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

cmd/frostfs-adm/internal/modules/morph/config/config.go

@@ -65,14 +65,14 @@ func dumpNetworkConfig(cmd *cobra.Command, _ []string) error {
 			nbuf := make([]byte, 8)
 			copy(nbuf[:], v)
 			n := binary.LittleEndian.Uint64(nbuf)
-			_, _ = tw.Write([]byte(fmt.Sprintf("%s:\t%d (int)\n", k, n)))
+			_, _ = tw.Write(fmt.Appendf(nil, "%s:\t%d (int)\n", k, n))
 		case netmap.HomomorphicHashingDisabledKey, netmap.MaintenanceModeAllowedConfig:
 			if len(v) == 0 || len(v) > 1 {
 				return helper.InvalidConfigValueErr(k)
 			}
-			_, _ = tw.Write([]byte(fmt.Sprintf("%s:\t%t (bool)\n", k, v[0] == 1)))
+			_, _ = tw.Write(fmt.Appendf(nil, "%s:\t%t (bool)\n", k, v[0] == 1))
 		default:
-			_, _ = tw.Write([]byte(fmt.Sprintf("%s:\t%s (hex)\n", k, hex.EncodeToString(v))))
+			_, _ = tw.Write(fmt.Appendf(nil, "%s:\t%s (hex)\n", k, hex.EncodeToString(v)))
 		}
 	}
 

cmd/frostfs-adm/internal/modules/morph/contract/dump_hashes.go

@@ -219,8 +219,8 @@ func printContractInfo(cmd *cobra.Command, infos []contractDumpInfo) {
 		if info.version == "" {
 			info.version = "unknown"
 		}
-		_, _ = tw.Write([]byte(fmt.Sprintf("%s\t(%s):\t%s\n",
-			info.name, info.version, info.hash.StringLE())))
+		_, _ = tw.Write(fmt.Appendf(nil, "%s\t(%s):\t%s\n",
+			info.name, info.version, info.hash.StringLE()))
 	}
 	_ = tw.Flush()
 

cmd/frostfs-adm/internal/modules/morph/policy/policy.go

@@ -80,9 +80,9 @@ func dumpPolicyCmd(cmd *cobra.Command, _ []string) error {
 	buf := bytes.NewBuffer(nil)
 	tw := tabwriter.NewWriter(buf, 0, 2, 2, ' ', 0)
 
-	_, _ = tw.Write([]byte(fmt.Sprintf("Execution Fee Factor:\t%d (int)\n", execFee)))
-	_, _ = tw.Write([]byte(fmt.Sprintf("Fee Per Byte:\t%d (int)\n", feePerByte)))
-	_, _ = tw.Write([]byte(fmt.Sprintf("Storage Price:\t%d (int)\n", storagePrice)))
+	_, _ = tw.Write(fmt.Appendf(nil, "Execution Fee Factor:\t%d (int)\n", execFee))
+	_, _ = tw.Write(fmt.Appendf(nil, "Fee Per Byte:\t%d (int)\n", feePerByte))
+	_, _ = tw.Write(fmt.Appendf(nil, "Storage Price:\t%d (int)\n", storagePrice))
 
 	_ = tw.Flush()
 	cmd.Print(buf.String())

cmd/frostfs-cli/modules/control/list_targets.go

@@ -62,7 +62,7 @@ func listTargets(cmd *cobra.Command, _ []string) {
 	tw := tabwriter.NewWriter(buf, 0, 2, 2, ' ', 0)
 	_, _ = tw.Write([]byte("#\tName\tType\n"))
 	for i, t := range targets {
-		_, _ = tw.Write([]byte(fmt.Sprintf("%s\t%s\t%s\n", strconv.Itoa(i), t.GetName(), t.GetType())))
+		_, _ = tw.Write(fmt.Appendf(nil, "%s\t%s\t%s\n", strconv.Itoa(i), t.GetName(), t.GetType()))
 	}
 	_ = tw.Flush()
 	cmd.Print(buf.String())

pkg/local_object_storage/metabase/reset_test.go

@@ -37,7 +37,7 @@ func TestResetDropsContainerBuckets(t *testing.T) {
 	for idx := range 100 {
 		var putPrm PutPrm
 		putPrm.SetObject(testutil.GenerateObject())
-		putPrm.SetStorageID([]byte(fmt.Sprintf("0/%d", idx)))
+		putPrm.SetStorageID(fmt.Appendf(nil, "0/%d", idx))
 		_, err := db.Put(context.Background(), putPrm)
 		require.NoError(t, err)
 	}

scripts/populate-metabase/internal/populate.go

@@ -31,13 +31,10 @@ func PopulateWithObjects(
 
 	for range count {
 		obj := factory()
-
-		id := []byte(fmt.Sprintf(
-			"%c/%c/%c",
+		id := fmt.Appendf(nil, "%c/%c/%c",
 			digits[rand.Int()%len(digits)],
 			digits[rand.Int()%len(digits)],
-			digits[rand.Int()%len(digits)],
-		))
+			digits[rand.Int()%len(digits)])
 
 		prm := meta.PutPrm{}
 		prm.SetObject(obj)