#403: Introduce pyupgrade pre-commit hook, Remove dev dep tools

• Introduce pyupgrade pre-commit hook
• Apply pyupgrade
• Introduce pyupgrade job
• CONTRIBUTING: Add pyupgrade
• Bump pre-commit tools versions
• Remove black, isort and pre-commit dev dependencies

Close #403 (closed).

silkaj/auth.py

@@ -26,7 +26,7 @@ from silkaj.tools import message_exit
 from silkaj.tui import display_pubkey_and_checksum
 
 SEED_HEX_PATTERN = "^[0-9a-fA-F]{64}$"
-PUBSEC_PUBKEY_PATTERN = "pub: ({0})".format(PUBKEY_PATTERN)
+PUBSEC_PUBKEY_PATTERN = f"pub: ({PUBKEY_PATTERN})"
 PUBSEC_SIGNKEY_PATTERN = "sec: ([1-9A-HJ-NP-Za-km-z]{87,90})"