Build(deps-dev): Update composer/composer requirement from ^1.10.5 to ^1.10.12

[dependabot-preview]

Updates the requirements on composer/composer to permit the latest version.

Changelog

Sourced from composer/composer's changelog.

[1.10.12] 2020-09-08

• Fixed regressions with old version validation

[1.10.11] 2020-09-08

• Fixed more PHP 8 compatibility issues
• Fixed regression in handling of CTRL-C when xdebug is loaded
• Fixed status handling of broken symlinks

[1.10.10] 2020-08-03

• Fixed create-project not triggering events while installing the root package
• Fixed PHP 8 compatibility issue
• Fixed self-update to avoid automatically upgrading to the next major version once it becomes stable

[1.10.9] 2020-07-16

• Fixed Bitbucket redirect loop when credentials are outdated
• Fixed GitLab auth prompt wording
• Fixed self-update handling of files requiring admin permissions to write to on Windows (it now does a UAC prompt)
• Fixed parsing issues in funding.yml files

[1.10.8] 2020-06-24

• Fixed compatibility issue with git being configured to show signatures by default
• Fixed discarding of local changes when updating packages to include untracked files
• Several minor fixes

[1.10.7] 2020-06-03

• Fixed PHP 8 deprecations
• Fixed detection of pcntl_signal being in disabled_functions when pcntl_async_signal is allowed

[1.10.6] 2020-05-06

• Fixed version guessing to take composer-runtime-api and composer-plugin-api requirements into account to avoid selecting packages which require Composer 2
• Fixed package name validation to allow several dashes following each other
• Fixed post-status-cmd script not firing when there were no changes to be displayed
• Fixed composer-runtime-api support on Composer 1.x, the package is now present as 1.0.0
• Fixed support for composer show --name-only --self
• Fixed detection of GitLab URLs when handling authentication in some cases

[1.10.5] 2020-04-10

• Fixed self-update on PHP <5.6, seriously please upgrade people, it's time
• Fixed 1.10.2 regression with PATH resolution in scripts

[1.10.4] 2020-04-09

Commits

• a6cc92b Release 1.10.12
• d61c1cc Update changelog
• a5f5838 Update semver to latest
• f4f952f Update changelog
• e11d19c Update deps
• e6b45e8 Fix status command handling of symlinks, and especially broken ones, fixes #9169
• 960413d Merge pull request #9183 from derrabus/bugfix/numeric-user-func-array
• fc961dc Call call_user_func_array() with a numeric arguments array.
• 3e56ec2 Merge pull request #9170 from glaubinix/f/composer-repository-withou-sha1-inc...
• 773635e ComposerRepository: avoid notice if includes do not provide a sha1
• 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.

If all status checks pass Dependabot will automatically merge this pull request.

---

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 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 the .dependabot/config.yml file in this repo:

• Update frequency
• Automerge options (never/patch/minor, and dev/runtime dependencies)
• Out-of-range updates (receive only lockfile updates, if desired)
• Security updates (receive only security updates, if desired)

[dependabot-preview]

One of your CI runs failed on this pull request, so Dependabot won't merge it.

• Semantic Pull Request

Dependabot will still automatically merge this pull request if you amend it and your tests pass.

[codecov]

Codecov Report

Merging #214 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #214   +/-   ##
=========================================
  Coverage     61.65%   61.65%           
  Complexity      929      929           
=========================================
  Files            56       56           
  Lines          2595     2595           
=========================================
  Hits           1600     1600           
  Misses          995      995           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f4d9f36...df69395. Read the comment docs.

[dependabot-preview]

Superseded by #215.