[pt] Merge reviewed changes from Weblate

wiki/src/bugs.pt.po

wiki/src/doc.pt.po

wiki/src/doc/encryption_and_privacy/encrypted_volumes.pt.po

wiki/src/doc/encryption_and_privacy/veracrypt.pt.po

wiki/src/doc/first_steps.index.pt.po

wiki/src/doc/first_steps/persistence/use.pt.po

wiki/src/doc/first_steps/persistence/warnings.pt.po

wiki/src/doc/first_steps/reset/windows.pt.po

wiki/src/doc/sensitive_documents/graphics.pt.po

wiki/src/install/linux/usb-download.pt.po

wiki/src/install/win/usb-overview.pt.po

wiki/src/news/version_3.11.pt.po

wiki/src/news/version_3.12.1.pt.po

wiki/src/news/version_3.12.pt.po

wiki/src/news/version_3.13.1.pt.po

wiki/src/news/version_3.13.pt.po

wiki/src/support/known_issues.pt.po

wiki/src/support/known_issues/graphics.pt.po