Update module github.com/ProtonMail/gopenpgp/v2 to v2.4.8

This MR contains the following updates:

Package	Type	Update	Change
github.com/ProtonMail/gopenpgp/v2	require	patch	v2.4.7 -> v2.4.8

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Release Notes

ProtonMail/gopenpgp

v2.4.8

Compare Source

Add AEAD decryption support

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