v2022pre/releasenotes: Fix nesting of headings

Signed-off-by: Emanuele Aina <emanuele.aina@collabora.com>

content/release/v2022pre/releasenotes.md

@@ -113,7 +113,7 @@ support for wifi, bluetooth and audio. Check the [setup notes]({{< ref imx8mn_bs
 
 ## Build and integration
 
-## Scalable monitoring of LAVA jobs from GitLab pipelines
+### Scalable monitoring of LAVA jobs from GitLab pipelines
 
 Apertis relies heavily on [LAVA](https://lavasoftware.org/) to continuously test our deployable artifacts. Every night hundreds of LAVA jobs get submitted to the devices in our LAVA farm from the daily image building pipelines; until now, the submission was done with a fire-and-forget approach since the standard GitLab runners do not cope efficiently with monitoring jobs managed by a downstream scheduler like LAVA.
 
@@ -121,7 +121,7 @@ The introduction of a [custom GitLab runner dedicated to monitoring LAVA jobs](h
 
 Developers can now see the results for each jobs and retrieve the logs directly in the same GitLab pipeline that submitted them, helping them to keep track of the impact of their changes in a close feedback loop.
 
-## Upstream Linux LTS version tracking from the packaging dashboard
+### Upstream Linux LTS version tracking from the packaging dashboard
 
 The [Apertis dashboard](https://infrastructure.pages.apertis.org/dashboard/) is the tool that the project uses to stay up-to-date with its upstream distribution, Debian.
 
@@ -129,7 +129,7 @@ This works well for the near totality of our packages, with the Linux kernel bei
 
 The dashboard is now able to find available updates directly from upstream in those cases, helping the Apertis maintainer to ensure we always ship the most up-to-date fixes to our users.
 
-## Tracking consumption of APT snapshots for long-term reproducibility
+### Tracking consumption of APT snapshots for long-term reproducibility
 
 The approach Apertis took for [Long-Term Reproducibility]({{< ref "long-term-reproducibility.md" >}}) involves frequent snapshots of the APT repositories.
 
@@ -143,13 +143,13 @@ The Apertis images for Rasberry Pi are now included in the tests run on LAVA pav
 
 ## Documentation and designs
 
-## Export control
+### Export control
 
 Apertis targets a global community developing global products, and this necessarily makes it interact with the legislation regulating the export of goods, software and technology. 
 
 The [Export controls]({{< ref "export-controls.md">}}) concept document tries to address the requirements and challenges that teams targeting global markets will face, providing a high level  overview of the tools and workflows that Apertis can provide to make such compliance processes easier for them.
 
-## Virtual keyboard
+### Virtual keyboard
 
 The Apertis team has surveyed the [On-Screen Virtual Keyboard]({{< ref "on-screen-keyboard.md">}}) state-of-the-art in the Wayland ecosystem to evaluate the viable options.