* ci-build: Upgrade base image, Go, Node, golangci-lint

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* Drone: Upgrade build image

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* Drone: Upgrade plugin build image

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

Usage Stats: Calculate concurrent users as a histogram

Metric will help to understand if users are sharing their credentials or using one account for concurrent sessions. This will help to make more informed decisions when enforcing any license limitations on credentials usage.

* Elasticsearch: Fix broken alerting when using pipeline aggregations

* call onRunQuery after every query change

* Drone: Fix race conditions between Enterprise and Enterprise2

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* loki.md: Add example of Loki data source config

It was little difficult to search an example of setting datasourceUid for Jaeger data source. 

I found the answer from https://github.com/grafana/grafana/issues/26087 and thought it would be good to document it.

* Update docs/sources/datasources/loki.md

Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

* Update docs/sources/datasources/loki.md

Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

* ReleaseNotes: Updated changelog and release notes for 7.3.6

* Update CHANGELOG.md

* Update release-notes-7-3-6.md

* Update _index.md

Co-authored-by: Torkel Ödegaard <torkel@grafana.org>

* Update usage-insights.md

* Update usage-insights.md

Bumps [axios](https://github.com/axios/axios) from 0.19.2 to 0.21.1.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/v0.21.1/CHANGELOG.md)
- [Commits](https://github.com/axios/axios/compare/v0.19.2...v0.21.1)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [actions/setup-node](https://github.com/actions/setup-node) from v1 to v2.1.4.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](https://github.com/actions/setup-node/compare/v1...c46424eee26de4078d34105d3de3cc4992202b1e)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [ini](https://github.com/isaacs/ini) from 1.3.5 to 1.3.7.
- [Release notes](https://github.com/isaacs/ini/releases)
- [Commits](https://github.com/isaacs/ini/compare/v1.3.5...v1.3.7)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* fall back to any architecture when getting plugin's checksum

* Update pkg/cmd/grafana-cli/commands/install_command.go

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* remove typo

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* retrieve dashboard api

* Apply suggestions from code review

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* Update pkg/api/dashboard.go

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* use sha256 checksum instead of md5

* Chore: Rewrite ldap login test to standard library (#29998)

* Chore: Rewrite ldap login test to standard library

* Preserve original ldap enabled setting after test

* Chore: Rewrite models alert test to standard library (#30021)

* Chore: Rewrite models dashboard acl test to standard library (#30022)

* Chore: Rewrite models dashboards test to standard library (#30023)

* Chore: Rewrite login auth test to standard library (#29985)

* Chore: Rewrite login auth test to standard library

* Use assert.Empty when empty string expected

* Chore: Rewrite brute force login protection test to standard library (#29986)

* Update pkg/cmd/grafana-cli/services/api_client.go

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* Update pkg/cmd/grafana-cli/services/api_client.go

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* use sha256 checksum instead of md5

* Update pkg/cmd/grafana-cli/services/api_client.go

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* Update pkg/cmd/grafana-cli/services/api_client.go

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* grafana-cli: Remove MD5

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

Co-authored-by: Emil Hessman <emil@hessman.se>
Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* Chore: Rewrite login auth test to standard library

* Use assert.Empty when empty string expected

* Chore: Rewrite ldap login test to standard library

* Preserve original ldap enabled setting after test

* Docs: update auditing docs

* Chore: Add Enterprise dependencies

* Apply suggestions from code review

Co-authored-by: Agnès Toulet <agnes.toulet@gmail.com>
Co-authored-by: Emil Tullstedt <emil.tullstedt@grafana.com>

* SQLStore: customise the limit of retrieved datasources per organisation

* update all suggestions regarding nil or 0 as default

* Apply suggestions from code review

Co-authored-by: Emil Tullstedt <emil.tullstedt@grafana.com>

* correct default.ini description + adding unittest

* Apply suggestions from code review

Co-authored-by: Sofia Papagiannaki <papagian@users.noreply.github.com>

* modify unittest name

Co-authored-by: Emil Tullstedt <emil.tullstedt@grafana.com>
Co-authored-by: Sofia Papagiannaki <papagian@users.noreply.github.com>

this fixes bug in processing SAML response with empty Issuer element

See http://www.xe.com/symbols.php for currency symbols reference