feat(split): use abstractions for flux and prometheus

[haarchri]

Description of your changes

• bump uptest
• enable renovate
• remove service composition for flux, prometheus
• add configuration for xoss and gitops-flux (use abstractions)
• add yamllint
• bump providers

Fixes #

I have:

• Read and followed Upbound's contribution process.
• Run make reviewable to ensure this PR is ready for review.
• Added backport release-x.y labels to auto-backport this PR, as appropriate.

How has this code been tested

--- PASS: kuttl (1587.36s)
    --- PASS: kuttl/harness (0.00s)
        --- PASS: kuttl/harness/case (1586.87s)
PASS
10:22:51 [ OK ] running automated tests

[haarchri]

/test-examples