gnu: emacs-parsebib: Don't use unstable tarball.

* gnu/packages/emacs-xyz.scm (emacs-parsebib)[source]: Use GIT-FETCH and
GIT-FILE-NAME.

gnu/packages/emacs-xyz.scm

@@ -9261,13 +9261,13 @@ outline-mode), so there is no such thing like an outshine mode, only
     (version "2.3.1")
     (source
      (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/joostkremers/parsebib/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/joostkremers/parsebib.git")
+             (commit version)))
+       (file-name (git-file-name name version))
        (sha256
-        (base32
-         "0cxagnmc5ab6idmb26axpizhr4sqglkncc59768yavn3p04jyq63"))))
+        (base32 "1bnqnxkb9dnl0fjrrjx0xn9jsqki2h8ygw3d5dm4bl79smah3qkh"))))
     (build-system emacs-build-system)
     (home-page "https://github.com/joostkremers/parsebib")
     (synopsis "Library for parsing bib files")