fix: free disk space in release workflow to prevent Docker build failures (#4572)

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#### What type of PR is this?

Fix

#### What this PR does / why we need it

Adds disk space cleanup step to the release workflow to fix "no space
left on device" errors during Docker image builds.

Fix issue with `mage sql` not downloading dependencies.

#### Which issue(s) this PR fixes
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Fixes #

#### Special notes for your reviewer

Signed-off-by: Dejan Zele Pejchev <[email protected]>

Author: dejanzele

.github/workflows/release.yml

@@ -70,6 +70,13 @@ jobs:
           # Checkout the tag that triggered the workflow.
           ref: ${{ github.event.workflow_run.head_branch }}
 
+      # Free disk space to prevent "no space left on device" during Docker builds.
+      # This runs on every build since GitHub runners are ephemeral.
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/[email protected]
+        with:
+          tool-cache: false
+
       - name: Fetch Git tags
         run: git fetch --force --tags
 

magefiles/main.go

@@ -151,6 +151,7 @@ func KindTeardown() {
 
 // Generate scheduler SQL.
 func Sql() error {
+	mg.Deps(BootstrapTools)
 	mg.Deps(sqlcCheck)
 
 	if err := sqlcRun("generate", "-f", "internal/scheduler/database/sql.yaml"); err != nil {