Change code bases to use f-strings instead of format

[joachimmetz]

• change l2tdevtools templates - Changes to use f-strings instead of format #1124
• change code bases
  • Changes to use f-strings instead of format dfdatetime#235
  • Changes to use f-strings instead of format dfwinreg#198
  • Changes to use f-strings instead of format dfvfs#698
  • Changes to use f-strings instead of format dfimagetools#51
  • Changes to use f-strings instead of format acstore#29
  • Changes to use f-strings instead of format dfkinds#17
  • Changes to use f-strings instead of format ForensicArtifacts/artifacts#528
  • libyal/dtfabric@7eb67cc
• update style guide