[chore] Add asasalint linter (#5653)

Add https://golangci-lint.run/usage/linters/#asasalint linter.

Fix the bugs detected by the linter.

PR in Contrib:
https://github.com/open-telemetry/opentelemetry-go-contrib/pull/5957

.golangci.yml

@@ -9,6 +9,7 @@ linters:
   disable-all: true
   # Specifically enable linters we want to use.
   enable:
+    - asasalint
     - depguard
     - errcheck
     - errorlint

log/keyvalue_test.go

@@ -318,7 +318,7 @@ type logSink struct {
 
 func (l *logSink) Error(err error, msg string, keysAndValues ...interface{}) {
 	l.err, l.msg, l.keysAndValues = err, msg, keysAndValues
-	l.LogSink.Error(err, msg, keysAndValues)
+	l.LogSink.Error(err, msg, keysAndValues...)
 }
 
 func testErrKind[T any](f func() T, msg string, k log.Kind) func(*testing.T) {

sdk/log/provider_test.go

@@ -191,7 +191,7 @@ func (l *logSink) Enabled(int) bool { return true }
 
 func (l *logSink) Info(level int, msg string, keysAndValues ...any) {
 	l.level, l.msg, l.keysAndValues = level, msg, keysAndValues
-	l.LogSink.Info(level, msg, keysAndValues)
+	l.LogSink.Info(level, msg, keysAndValues...)
 }
 
 func TestLoggerProviderLogger(t *testing.T) {