missed-reviews: quote a bunch of stuff
missed-reviews: quote a bunch of stuff

Run through shellcheck.net, quote a lot of things, make some decisions
about what not to quote. Thanks 0xmpe for clicking through a tweet and
then telling me about the dragons.

Helped-by: Michael Ellerman <864f124608374e06e4da1fa5d2e47ed839b95411@ellerman.id.au>
Signed-off-by: Emily Shaffer <a6e326c88a51217312e91af047fa468d2d7dea8f@google.com>

nasamuffin/missed-reviews-bot