build: Raise required fribidi version
Pango uses the FRIBIDI_TYPE_RLI macro. It was not usable until fribidi commit 46f52d588ab5 ("Fixed bug PFRIBIDI_TYPE_PDF_LRI is undefined. Issue #69 (closed)") which was first included in v1.0.6.
Pango uses the FRIBIDI_TYPE_RLI macro. It was not usable until fribidi commit 46f52d588ab5 ("Fixed bug PFRIBIDI_TYPE_PDF_LRI is undefined. Issue #69 (closed)") which was first included in v1.0.6.