refactor: move config import from api to common module

Replace go.ntppool.org/api/config with go.ntppool.org/common/config,
removing the api module dependency entirely.

Also ignore vendor/ directory in .gitignore.

go.mod

@@ -21,7 +21,6 @@ require (
 	github.com/labstack/echo/v4 v4.13.4
 	github.com/samber/slog-echo v1.17.2
 	github.com/spf13/cobra v1.10.1
-	go.ntppool.org/api v0.3.4
 	go.ntppool.org/common v0.5.2
 	go.opentelemetry.io/contrib/instrumentation/github.com/labstack/echo/otelecho v0.63.0
 	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.63.0
@@ -53,7 +52,7 @@ require (
 	github.com/go-faster/errors v0.7.1 // indirect
 	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/google/cel-go v0.24.1 // indirect
+	github.com/google/cel-go v0.25.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.2 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
@@ -63,7 +62,7 @@ require (
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
-	github.com/jackc/pgx/v5 v5.7.4 // indirect
+	github.com/jackc/pgx/v5 v5.7.5 // indirect
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/klauspost/compress v1.18.0 // indirect
@@ -77,10 +76,10 @@ require (
 	github.com/paulmach/orb v0.12.0 // indirect
 	github.com/pganalyze/pg_query_go/v6 v6.1.0 // indirect
 	github.com/pierrec/lz4/v4 v4.1.22 // indirect
-	github.com/pingcap/errors v0.11.5-0.20240311024730-e056997136bb // indirect
+	github.com/pingcap/errors v0.11.5-0.20250523034308-74f78ae071ee // indirect
 	github.com/pingcap/failpoint v0.0.0-20240528011301-b51a646c7c86 // indirect
 	github.com/pingcap/log v1.1.0 // indirect
-	github.com/pingcap/tidb/pkg/parser v0.0.0-20250324122243-d51e00e5bbf0 // indirect
+	github.com/pingcap/tidb/pkg/parser v0.0.0-20250620043151-465b166e2b61 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/prometheus/client_golang v1.23.2 // indirect
@@ -99,12 +98,12 @@ require (
 	github.com/spf13/cast v1.4.1 // indirect
 	github.com/spf13/pflag v1.0.10 // indirect
 	github.com/sqlc-dev/sqlc v1.29.0 // indirect
-	github.com/stoewer/go-strcase v1.2.0 // indirect
+	github.com/stoewer/go-strcase v1.3.1 // indirect
 	github.com/tetratelabs/wazero v1.9.0 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.2 // indirect
 	github.com/wasilibs/go-pgquery v0.0.0-20250409022910-10ac41983c07 // indirect
-	github.com/wasilibs/wazero-helpers v0.0.0-20240620070341-3dff1577cd52 // indirect
+	github.com/wasilibs/wazero-helpers v0.0.0-20250123031827-cd30c44769bb // indirect
 	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
 	go.opentelemetry.io/contrib/bridges/otelslog v0.13.0 // indirect
 	go.opentelemetry.io/contrib/bridges/prometheus v0.63.0 // indirect
@@ -132,7 +131,7 @@ require (
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/crypto v0.42.0 // indirect
-	golang.org/x/exp v0.0.0-20250305212735-054e65f0b394 // indirect
+	golang.org/x/exp v0.0.0-20250620022241-b7579e27df2b // indirect
 	golang.org/x/mod v0.28.0 // indirect
 	golang.org/x/net v0.44.0 // indirect
 	golang.org/x/sys v0.36.0 // indirect
@@ -144,8 +143,8 @@ require (
 	google.golang.org/grpc v1.75.1 // indirect
 	google.golang.org/protobuf v1.36.9 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
-	modernc.org/libc v1.62.1 // indirect
+	modernc.org/libc v1.66.0 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
-	modernc.org/memory v1.9.1 // indirect
-	modernc.org/sqlite v1.37.0 // indirect
+	modernc.org/memory v1.11.0 // indirect
+	modernc.org/sqlite v1.38.0 // indirect
 )