Bump dependencies

The sql crypto store API changed slightly in mautrix-go v0.12.0:

- https://github.com/mautrix/go/releases/tag/v0.12.0
- https://github.com/mautrix/go/commit/d578d1a610d5#diff-8b5fa46d8bb2d8a091bde6c0fcb142ea97208ace6f3943d2b07c9f61c7352be4
- https://github.com/mautrix/go/commit/f4ba0afd5956#diff-8b5fa46d8bb2d8a091bde6c0fcb142ea97208ace6f3943d2b07c9f61c7352be4

Don't send the same MSC more than once in the same message

Clarify comment

Use mautrix helper function to remove reply text

Bump dependencies

'cause why not?

ran:

    go get -u -v -t ./...
    go mod tidy

Don't include MSCs that are in quoted text

Otherwise the bot will likely post the same link multiple times in a discussion.

Update MSC links to use new repo

See https://github.com/matrix-org/matrix-spec/issues/927#issuecomment-1056001194

Put title of MSC in return message when we can

Bump dependencies except for gjson

See f217921 for reason to keep gjson downgraded.

    go get -v -u -t ./...
    go get -v github.com/tidwall/gjson@v1.10.2
    go mod tidy

Downgrade gjson to 1.10.2

see https://github.com/mautrix/go/issues/52

Upgrade dependencies

Upgrade dependencies

Don't send events with an empty body

fixes 09557e4

Bump dependencies

Include room ID in MSC info logs

contrib: build image using local files instead of official latest

Use m.notice instead of m.text

Fix grammar in README

Use regexp.MustCompile and make the regex constant

contrib: fix grammar