v10.20.0

• [10.x] Allow default values when merging values into a resource by @axlon in #48073
• [10.x] Adds a createOrFirst method to Eloquent by @tonysm in #47973
• [10.x] Allow utilising withTrashed(), withoutTrashed() and onlyTrashed() on MorphTo relationship even without SoftDeletes Model by @crynobone in #47880
• [10.x] Mark Request JSON data to be InputBag in docblocks by @jnoordsij in #48085
• [10.x] Markdown Mailables: Allow omitting Footer and Header when customising components by @jorisnoo in #48080
• [10.x] Update EmailVerificationRequest return docblock by @ahmedash95 in #48087
• [10.x] Add commonly reusable Composer related commands from 1st party packages by @crynobone in #48096
• [10.x] Add ability to measure a single callable and get result by @timacdonald in #48077
• [10.x] Fixes incorrect method visibility and add unit tests for Illuminate\Support\Composer by @crynobone in #48104
• [10.x] Skip convert empty string to null test by @hungthai1401 in #48105
• [10.x] Using complete insert for mysqldump when appending migration dump to schema file by @emulgeator in #48126
• [10.x] Add hasPackage method to Composer class by @emargareten in #48124
• [10.x] Add assertJsonPathCanonicalizing method by @gdebrauwer in #48117
• [10.x] Configurable storage path via environment variable by @sl0wik in #48115
• [10.x] Support providing subquery as value to where builder method by @gdebrauwer in #48116
• [10.x] Minor Tweaks by @utsavsomaiya in #48138