Automatic merge from submit-queue (batch tested with PRs 51174, 51363, 51087, 51382, 51388)

kubeadm: Move the uploadconfig phase right in the beginning of cluster init

**What this PR does / why we need it**:

In order to be forwards-compatible, I'm moving the uploadconfig to be the first thing in the chain in order to make it possible to rely on it being present in future releases when we have a beta or higher API to rely on.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```
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