Bump doctrine/dbal from 2.10.2 to 2.10.3

Sourced from doctrine/dbal's releases.

<h2>Release 2.10.3</h2> <h1>Release 2.10.3</h1>

• Total issues resolved: 3
• Total pull requests resolved: 42
• Total contributors: 9

<h2>Bug Fixes</h2>

• [4238: Fix errors with case sensitive collation on mssql: not existing procedures and tables (sp&amp;#95;RENAME, SysObjects, SysColumns)](doctrine/dbal#4238) thanks to @redgnar
• 4231: Mark testDropsDatabaseWithActiveConnections() as incomplete on OraclePlatform thanks to @morozov
• 4162: Remove parameters and types unset after statement execution thanks to @morozov
• 4148: Remove workaround in PDOSqlsrv\Connection::quote() thanks to @morozov
• [4074: Fix handling host and port configuration in sqlsrv and pdo&amp;#95;sqlsrv drivers](doctrine/dbal#4074) thanks to @morozov
• 4066: Fix DSN detection in the IBM DB2 driver thanks to @morozov
• 3994: Use proper check in acceptForeignKey() thanks to @greg0ire
• 3991: Extend RetryableException from Throwable interface thanks to @mitelg
• 3762: Add full support for foreign key constraints for SQLite thanks to @beberlei

<h2>Other Code Improvements</h2>

• 4172: Clean up inconsistent or redundant argument names thanks to @morozov

<h2>Static Analysis Improvements</h2>

• 4235: Update PHPStan to 0.12.40 thanks to @morozov
• 4222: Upgrade Psalm to its latest version thanks to @greg0ire
• 4116: Update PHPStan to 0.12.31 thanks to @morozov
• 4099: Update PHPStan to 0.12.30 thanks to @morozov
• 4094: Bump Psalm level to 5 thanks to @morozov
• 3977: Psalm 6 thanks to @greg0ire
• 3974: Remove unneeded and risky stubs parsing thanks to @greg0ire
• 3969: Psalm 7 thanks to @greg0ire

<h2>CI Improvements</h2>

• 4239: Cleanup Travis scripts and configuration thanks to @morozov
• 4184: Trigger Github workflow for merges thanks to @greg0ire
• 4181: Fetch parent commits thanks to @greg0ire
• [4176: Add GitHub Actions builds for oci8 and pdo&amp;#95;oci drivers](doctrine/dbal#4176) thanks to @morozov
• 4009: Coveralls integration thanks to @greg0ire
• 3998: move PHPStan to GitHub Actions thanks to @bendavies
• 3979: Move phpcs from Travis to GitHub Actions thanks to @bendavies

• 03ca23a Release 2.10.3
• d0bde40 Merge pull request #4239 from morozov/travis-cleanup
• f27faa3 Reuse MySQL 8 build for TLS testing
• 354322e Reuse PHP 7.4 sqlsrv and pdo_sqlsrv builds for case-sensitive collation testing
• 05d55f6 Parametrize SQL Server installation script, add handling of MSSQL_COLLATION
• dd6c756 Merge pull request #4238 from redgnar/2.10.x
• 70e1f95 Add Travis job with case sensitive mssql database
• 78547c7 use proper case for mssql names
• 1efdc63 Merge pull request #4235 from morozov/phpstan-0.12.40
• 4bc4569 Update PHPStan to 0.12.40
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