Update mobc requirement from 0.7 to 0.8

[dependabot[bot]]

Updates the requirements on mobc to permit the latest version.

Release notes

Sourced from mobc's releases.

0.8.2

What's Changed

• Add bolt-client to supported backends by @​0xSiO in importcjj/mobc#62
• Update Redis dependency by @​cking in importcjj/mobc#72
• fix: open connections metrics increment by @​alencardc in importcjj/mobc#74

New Contributors

• @​0xSiO made their first contribution in importcjj/mobc#62
• @​cking made their first contribution in importcjj/mobc#72
• @​alencardc made their first contribution in importcjj/mobc#74

Full Changelog: https://github.com/importcjj/mobc/compare/0.8.1...0.8.2

Changelog

Sourced from mobc's changelog.

CHANGELOG

v0.8.1

• Fix typo's in readme
• Update mobc-postgres and mobc-redis to use latest version

v0.8.0

• Replaces channels with Sempahores
• Adds metrics

v0.7.3 2021-6-25

• Support the actix-rt v1.0.

v0.7.2 2021-4-2

• Retry when connection check fails on checkout

v0.7.1 2021-3-12

• Optimize the internal get requests queue.

v0.7.0 2021-1-19

• Compatible with Tokio 1.0

v0.5.12 2020-07-08

• Add a new method into_inner to connection to unwrap the raw connection.

v0.5.11 2020-6-17

• Upgrade the future-timer.

v0.5.10 2020-6-3

• Add a sync hook validate in the Manager trait to quickly determine connections are still valid when check-in

v0.5.9 2020-6-3

• Fix get timeout.

v0.5.8(yanked) 2020-6-1

• Add a hook to determine connections are valid when check-in.

v0.5.7 2020-03-28

... (truncated)

Commits

• See full diff in compare view

You can trigger a rebase of this PR 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 show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @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)

Note Automatic rebases have been disabled on this pull request as it has been open for over 30 days.