feat(ci): run tofu format inside devimage

Signed-off-by: Vegard Hagen <[email protected]>

.github/workflows/tofu-format.yaml

@@ -1,6 +1,7 @@
 name: Tofu format
 
 on:
+  workflow_dispatch: { }
   push:
     branches: [ '**', '!renovate/**' ]
     paths:
@@ -21,6 +22,7 @@ jobs:
   tofu-format:
     name: run tofu format
     runs-on: ubuntu-latest
+    container: ghcr.io/vehagn/homelab-devcontainer
     permissions:
       contents: read
 
@@ -29,6 +31,4 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Tofu format
-        uses: docker://ghcr.io/vehagn/homelab-devcontainer
-        with:
-          args: tofu fmt -recursive -diff -check
+        run: tofu fmt -recursive -diff -check