dev-docs: fix instructions in release docs (#2611)

dev-docs/howto/longhorn.md

@@ -1,6 +1,6 @@
 # Longhorn on Constellatioin
 
-To build Longhorn compatible images, apply the following changes. Those stem from [their installation guide](https://longhorn.io/docs/1.3.2/deploy/install/#installation-requirements).
+To build Longhorn compatible images, apply the following changes. Those stem from [their installation guide](https://longhorn.io/docs/1.5.3/deploy/install/#installation-requirements).
 
 ```diff
 diff --git a/image/mkosi.conf.d/azure.conf b/image/mkosi.conf.d/azure.conf

dev-docs/workflows/release.md

@@ -75,8 +75,9 @@ Releases should be performed using [the automated release pipeline](https://gith
 5. Check the s3proxy PR in the [helm chart repository](https://github.com/edgelesssys/helm/pull/) and approve it if things (esp. the version) look correct. Correct example for reference: https://github.com/edgelesssys/helm/pull/19/files
 6. while in editing mode for the release, clear the textbox, select the last minor release and click "Generate release notes".
 7. look over the autogenerated draft release. When fixing the changelog, prioritize updating the PR title/labels/description and regenerating the changelog over fixing things in the final changelog. The changelog should be primarily aimed at users. Rule of thumb: first part of the sentence should describe what changed for the user, second part can describe what has been changed to achieve this.
-8. in the GitHub release UI, set the tag to create on publish to `$ver`.
-9. publish.
+8. set the Target to `tmp/${ver}`
+9. in the GitHub release UI, set the tag to create on publish to `$ver`.
+10. publish.
 
 ## Post release steps
 
@@ -88,7 +89,7 @@ Releases should be performed using [the automated release pipeline](https://gith
    4. Move open issues and PRs from closed milestone to next milestone
 3. If the release is a minor version release, bump the pre-release version in the `version.txt` file.
 4. Update the `fromVersion` in `e2e-test-release.yml` and `e2e-test-weekly.yaml` to the newly released version. To check the current values, run: `grep "fromVersion: \[.*\]" -R .github`.
-5. Reset `upgradeRequiresIAMMigration`  in `iamupgradeapply.go`.
+5. Reset `UpgradeRequiresIAMMigration`  in [`iamupgrade.go`](https://github.com/edgelesssys/constellation/blob/a88a731576184e3c5ee8527741c4a0cdaa4e9b24/cli/internal/cloudcmd/iamupgrade.go#L23).
 
 ## Troubleshooting: Pipeline cleanup