Upgrade versions of vendored libs

vendor/github.com/cockroachdb/pebble/internal/base/seqnums.go

@@ -0,0 +1,54 @@
+// Copyright 2023 The LevelDB-Go and Pebble Authors. All rights reserved. Use
+// of this source code is governed by a BSD-style license that can be found in
+// the LICENSE file.
+
+package base
+
+// This file defines sequence numbers that are reserved for foreign keys i.e.
+// internal keys coming from other Pebble instances and existing in shared
+// storage, as those will "slot below" any internal keys added by our own Pebble
+// instance. Any keys created by this Pebble instance need to be greater than
+// all reserved sequence numbers (i.e. >= SeqNumStart).
+const (
+	// SeqNumZero is the zero sequence number, set by compactions if they can
+	// guarantee there are no keys underneath an internal key.
+	SeqNumZero = uint64(0)
+
+	// SeqNumL6Point is the sequence number reserved for foreign point keys in L6.
+	// This sequence number must be lower than SeqNumL6RangeKey for range key
+	// masking to work correctly.
+	SeqNumL6Point = uint64(1)
+
+	// SeqNumL6RangeKey is the sequence number reserved for foreign range keys in
+	// L6. Only RangeKeySets are expected at this level.
+	SeqNumL6RangeKey = uint64(2)
+
+	// SeqNumL5RangeDel is the sequence number reserved for foreign range deletes
+	// in L5. These keys could delete L6 points.
+	SeqNumL5RangeDel = uint64(3)
+
+	// SeqNumL5Point is the sequence number reserved for foreign point keys in L5.
+	// Any sst-local range deletions would have already been applied to these keys,
+	// so they can safely get a sequence number higher than SeqNumL5RangeDel.
+	// However they must have a sequence number lower than SeqNumL5RangeKey* for
+	// range key masking to work correctly.
+	SeqNumL5Point = uint64(4)
+
+	// SeqNumL5RangeKeyUnsetDel is the sequence number reserved for foreign
+	// range key unsets/deletes in L5. These operations could apply to L6
+	// RangeKeySets, so this sequence number must be > SeqNumL6RangeKey.
+	SeqNumL5RangeKeyUnsetDel = uint64(5)
+
+	// SeqNumL5RangeKeySet is the sequence number reserved for foreign range key
+	// Sets in L5. These operations could apply to L6 RangeKeySets, so this
+	// sequence number must be > SeqNumL6RangeKey. Any SST-local rangekey
+	// unsets/dels have already been applied to them, so their sequence number must
+	// be > SeqNumL5RangeKeyUnsetDel.
+	SeqNumL5RangeKeySet = uint64(6)
+
+	// Sequence numbers 7-9 are reserved for future use.
+
+	// SeqNumStart is the first sequence number assigned to a key written by
+	// ourselves.
+	SeqNumStart = uint64(10)
+)