Bumps alpine from 3.14 to 3.15.0.

---
updated-dependencies:
- dependency-name: alpine
  dependency-type: direct:production
  update-type: version-update:semver-minor
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follow up to #465

Signed-off-by: Daniel Holbach <daniel@weave.works>

feat: update chart to 2.10.1 w/ 1.8.1 kured image

update docker images too

Signed-off-by: Daniel Holbach <daniel@weave.works>

removed notifications/slack package [Merge after 1.7.0 release]

Support json logformatter

build(deps): bump nick-invision/retry from 2.5.0 to 2.5.1

Bumps [nick-invision/retry](https://github.com/nick-invision/retry) from 2.5.0 to 2.5.1.
- [Release notes](https://github.com/nick-invision/retry/releases)
- [Changelog](https://github.com/nick-invision/retry/blob/master/.releaserc.js)
- [Commits](https://github.com/nick-invision/retry/compare/v2.5.0...v2.5.1

)

---
updated-dependencies:
- dependency-name: nick-invision/retry
  dependency-type: direct:production
  update-type: version-update:semver-patch
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This commit introduces a new flag '--log-format' that allows a user
to configure json logging on the pods. If the log-format
is not specified, the formatter will default to the existing
text formatter.

build(deps): bump github.com/prometheus/common from 0.32.0 to 0.32.1

Bumps [github.com/prometheus/common](https://github.com/prometheus/common) from 0.32.0 to 0.32.1.
- [Release notes](https://github.com/prometheus/common/releases)
- [Commits](https://github.com/prometheus/common/compare/v0.32.0...v0.32.1

)

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updated-dependencies:
- dependency-name: github.com/prometheus/common
  dependency-type: direct:production
  update-type: version-update:semver-patch
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build(deps): bump github.com/prometheus/common from 0.31.1 to 0.32.0

Bumps [github.com/prometheus/common](https://github.com/prometheus/common) from 0.31.1 to 0.32.0.
- [Release notes](https://github.com/prometheus/common/releases)
- [Commits](https://github.com/prometheus/common/compare/v0.31.1...v0.32.0

)

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updated-dependencies:
- dependency-name: github.com/prometheus/common
  dependency-type: direct:production
  update-type: version-update:semver-minor
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build(deps): bump github.com/containrrr/shoutrrr from 0.5.1 to 0.5.2

Bumps [github.com/containrrr/shoutrrr](https://github.com/containrrr/shoutrrr) from 0.5.1 to 0.5.2.
- [Release notes](https://github.com/containrrr/shoutrrr/releases)
- [Changelog](https://github.com/containrrr/shoutrrr/blob/main/goreleaser.yml)
- [Commits](https://github.com/containrrr/shoutrrr/compare/v0.5.1...v0.5.2

)

---
updated-dependencies:
- dependency-name: github.com/containrrr/shoutrrr
  dependency-type: direct:production
  update-type: version-update:semver-patch
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helm: Prepare release for 1.8.0

Signed-off-by: Christian Kotzbauer <christian.kotzbauer@gmail.com>

docs: updated version table

Signed-off-by: Christian Kotzbauer <christian.kotzbauer@gmail.com>

Signed-off-by: Christian Kotzbauer <christian.kotzbauer@gmail.com>

ref: #447

Signed-off-by: Christian Kotzbauer <christian.kotzbauer@gmail.com>

Add `reboot-delay` CLI argument to docs, helm charts and manifests

Add --alert-firing-only parameter to chart

Signed-off-by: Christian Kotzbauer <christian.kotzbauer@gmail.com>

Merge pull request #436 from weaveworks/dependabot/github_actions/guyarb/golang-test-annoations-0.5.0

Bump guyarb/golang-test-annoations from 0.4.0 to 0.5.0

Revert "Add quay.io as second registry"

Bump nick-invision/retry from 2.4.1 to 2.5.0

Bumps [nick-invision/retry](https://github.com/nick-invision/retry) from 2.4.1 to 2.5.0.
- [Release notes](https://github.com/nick-invision/retry/releases)
- [Changelog](https://github.com/nick-invision/retry/blob/master/.releaserc.js)
- [Commits](https://github.com/nick-invision/retry/compare/v2.4.1...v2.5.0

)

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- dependency-name: nick-invision/retry
  dependency-type: direct:production
  update-type: version-update:semver-minor
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 In this PR the slack-hook-url is translated
 into shoutrrr syntax. Therefore, slack pack
 age as well as checks for slack-hook-url in
 drain and reboot functions are removed.
 Also added a unit test for flagCheck(), this
 function also checks the (slack)URL syntax.

doc: some clarification of release-docs

Signed-off-by: Christian Kotzbauer <christian.kotzbauer@gmail.com>

[WIP] Add quay.io as second registry

Add jackfrancis to MAINTAINERS

Bump github.com/prometheus/common from 0.31.0 to 0.31.1

Bumps [github.com/prometheus/common](https://github.com/prometheus/common) from 0.31.0 to 0.31.1.
- [Release notes](https://github.com/prometheus/common/releases)
- [Commits](https://github.com/prometheus/common/compare/v0.31.0...v0.31.1

)

---
updated-dependencies:
- dependency-name: github.com/prometheus/common
  dependency-type: direct:production
  update-type: version-update:semver-patch
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