Bump serenity from 0.5.14 to 0.7.8

[dependabot-preview]

Bumps serenity from 0.5.14 to 0.7.8.

Release notes

Sourced from serenity's releases.

v0.7.8

This release prevents a loop when requesting a restart of a Shard, resulting in the Shard hanging forever.

Thanks to the following for their contributions:

• @Lakelezz

Fixed

• [gateway] Return instantly when requesting restart. (@Lakelezz) c:0959f15

v0.7.7

The last bugfix release was ironically broken because of a slight oversight. This release fixes that.

Thanks to the following for their contributions:

• @Lakelezz

Fixed

• [gateway] Resume on Reconnect events. (@Lakelezz) c:f543b57

v0.7.6

This release fixes Serenity's handling of Discord's new rebalances. You should no longer encounter many Ready events.

Thanks to the following for their contributions:

• @Lakelezz

Fixed

• [gateway] Fix handling rebalances. (@Lakelezz) c:f708bec

v0.7.5

An emergency release to fix build breakage due to violation of SemVer for the command_attr crate.

v0.7.4

Thanks to the following for their contributions:

... (truncated)

Changelog

Sourced from serenity's changelog.

[0.7.8] - 2020-04-26

This release prevents a loop when requesting a restart of a Shard, resulting in the Shard hanging forever.

Thanks to the following for their contributions:

• [@Lakelezz]

Fixed

• [gateway] Return instantly when requesting restart. ([@Lakelezz]) [c:0959f15]

[0.7.7] - 2020-04-22

The last bugfix release was ironically broken because of a slight oversight. This release fixes that.

Thanks to the following for their contributions:

• [@Lakelezz]

Fixed

• [gateway] Resume on Reconnect events. ([@Lakelezz]) [c:f543b57]

[0.7.6] - 2020-04-18

This release fixes Serenity's handling of Discord's new rebalances. You should no longer encounter many Ready events.

Thanks to the following for their contributions:

• [@Lakelezz]

Fixed

• [gateway] Fix handling rebalances. ([@Lakelezz]) [c:f708bec]

[0.7.5] - 2020-01-13

An emergency release to fix build breakage due to violation of SemVer for the command_attr crate.

[0.7.4] - 2019-12-13

Thanks to the following for their contributions:

• [@acdenisSK]
• [@LeSeulArtichaut]

Added

• [framework] Enable pub restrictions ([@acdenisSK]) [c:e6ed1b5]

... (truncated)

Commits

• 9e8fda6 Bump version
• fdcda26 Update CHANGELOG.md
• 0959f15 Return instantly when requesting restart.
• de6536d Bump version
• e23b4ac Update CHANGELOG.md
• f543b57 Resume on Reconnect events. (#841)
• 2961005 Bump version
• 68898af Update CHANGELOG.md
• c0615e5 The proc_macro crate is an exception to the 2018 idioms
• f708bec Fix handling rebalances.
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
• @dependabot use these labels will set the current labels as the default for future PRs for this repo and language
• @dependabot use these reviewers will set the current reviewers as the default for future PRs for this repo and language
• @dependabot use these assignees will set the current assignees as the default for future PRs for this repo and language
• @dependabot use this milestone will set the current milestone as the default for future PRs for this repo and language
• @dependabot badge me will comment on this PR with code to add a "Dependabot enabled" badge to your readme

Additionally, you can set the following in your Dependabot dashboard:

• Update frequency (including time of day and day of week)
• Pull request limits (per update run and/or open at any time)
• Out-of-range updates (receive only lockfile updates, if desired)
• Security updates (receive only security updates, if desired)