* 4.4:
Update GitHub PR template
[DI] fix related to preloading
[HttpKernel] fix compat with legacy DebugClassLoader
[WebProfilerBundle] Assign automatic colors to custom Stopwatch categories
[DI] use dirname() when possible
Simplify usage of dirname()
Remove Google references when not needed
Simplify usage of dirname()
don't dump a scalar tag value on its own line
Remove Google references when not needed
[DI] fix Preloader
[HttpClient] fix calling the buffer-enabling callback
[HttpClient] fix php notice on push
do not perform string operations on null
Require exact match when reading from stdin with a dash
* 4.4: (43 commits)
[PhpunitBridge] Read environment variable from superglobals
[Bridge/PhpUnit] Fix PHP5.5 compat
[PhpUnitBridge] More accurate grouping
fixed CS
[Form] remove comment about to-be-removed method as it is used in master by ButtonBuilder
Extract unrecoverable exception to interface
[FrameworkBundle] Fix calling Client::getProfile() before sending a request
Fix type error
[Security/Core] require libsodium >= 1.0.14
[Workflow] re-add workflow.definition tag to workflow services
[Security/Core] Don't use ParagonIE_Sodium_Compat
revert #30525 due to performance penalty
collect called listeners information only once
[Lock] fix missing inherit docs in RedisStore
[Messenger] fix retrying handlers using DoctrineTransactionMiddleware
[Mailgun Mailer] fixed issue when using html body
[Messenger] make all stamps final and mark stamp not meant to be sent
[HttpClient] fix timing measurements with NativeHttpClient
add return type declaration
use proper return types in ErrorHandler and ArgumentResolver
...
