Bump YAML cache key for disabling of minijinja autoescape
https://github.com/mitsuhiko/minijinja/pull/82 This was missing from https://github.com/inducer/relate/commit/939632814caaed43cfc7e52bdbd8eb7994ed770f
https://github.com/mitsuhiko/minijinja/pull/82 This was missing from https://github.com/inducer/relate/commit/939632814caaed43cfc7e52bdbd8eb7994ed770f