fix(ci): raise the snap packaging job timeout to 90 minutes

The v2.0.0 tag run was cancelled at exactly 30 minutes with snapcraft's
LXD build still running. The job does no compilation, but container
bootstrap plus platform snap downloads on public runners routinely
exceed the old budget.

cc

.github/workflows/release-snap.yml

@@ -107,7 +107,11 @@ jobs:
   snap:
     needs: build-binary
     runs-on: ubuntu-24.04
-    timeout-minutes: 30
+    # 30 min was too tight: the v2.0.0 tag run got axed mid-snapcraft (LXD
+    # setup + platform snaps + pack ran past it). The job does no compilation,
+    # but snapcraft's container bootstrap alone is highly variable on public
+    # runners — give it real headroom.
+    timeout-minutes: 90
     steps:
       - uses: actions/checkout@v4