Add CI job for buildbox-run-bubblewrap with buildbox-fuse

This depends on:

• Add buildbox-run sandboxing backend !1738 (merged)
• Create buildbox-run-bubblewrap BuildGrid/buildbox/buildbox-run-bubblewrap#1 (closed)
• buildbox-casd: Add a FUSE backend for Stage() BuildGrid/buildbox/buildbox-casd#8 (closed)
• buildbox-fuse: Drop command execution BuildGrid/buildbox/buildbox-fuse!21 (merged)
• buildbox-fuse: Set correct st_size for symlinks BuildGrid/buildbox/buildbox-fuse!22 (merged)
• buildbox-fuse: Add option to disable writing to local cache BuildGrid/buildbox/buildbox-fuse#35 (closed)
• Add buildbox-run-bubblewrap and buildbox-fuse to CI images (and update buildbox-casd) buildstream-docker-images!150 (merged)
• Add BuildStream CI job !1752 (merged)