Docs: Remove extra space before `@since` in `WP_Block_Bindings_Regist… #6

Job	Run time
${{ matrix.wp }} to ${{ ((inputs.new-version && inputs.new-version) \|\| 'latest') }}	0s
${{ matrix.wp }} to ${{ ((inputs.new-version && inputs.new-version) \|\| 'latest') }}	0s
${{ matrix.wp }} to ${{ ((inputs.new-version && inputs.new-version) \|\| 'latest') }}	0s
${{ matrix.wp }} to ${{ ((inputs.new-version && inputs.new-version) \|\| 'latest') }}	0s
${{ matrix.wp }} to ${{ ((inputs.new-version && inputs.new-version) \|\| 'latest') }}	0s
Slack Notifications	0s
Failed workflow tasks	0s
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