feat: allow import of newer pocket data export files in csv format #1150

Job	Run time
call-lint / golangci	1m 4s
call-styles-check / styles-check	10s
call-mkdocs-check / mkdocs-check	16s
call-swagger-check / swagger-check	24s
call-test / test-bsd (openbsd, x86-64, 7.5)	4m 22s
call-test / Go unit tests (ubuntu-latest)	2m 38s
call-test / Go unit tests (windows-latest)	4m 26s
call-test / Go unit tests (macos-latest)	1m 7s
call-e2e / Tests	1m 22s
call-gorelease / goreleaser	3m 13s
call-buildx	0s
call-buildx-alpine	0s
	19m 2s

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