Crate training regression at 10 months, barking in morning, advice please!

We have a 10 month old cavalier/poodle cross. With us since 3 months. Crate trained. A generally great puppy and very good and obedient.

Routine for the past few months – around 8pm take her for evening walk, does business, relax on couch from 9 to 9.30 when we tell her “bedtime” she takes herself into her crate, and we go to bed, no issues.

Starting 2-3 weeks ago – she has started barking in the mornings to be let out of her crate.

Usually we get up around 7.30am weekdays, and 8.30am weekends. When she first barked, it was around 8am on a weekend, and we thought maybe she just needs to go outside, no issues.

It’s now happening every morning, and it’s getting earlier.

Last week it was around 7.15am every morning. For a few mornings, I went down to her at 7am before she barked hoping it would stop the habit. But this weekend, she started barking at 6.45am both mornings.

All advice appreciated, thank you!