graphics/libheif: Use upstream release archive and backport bugfixes

- Use upstream release archive as recommended by Porters Handbook
  (USE_GITHUB section)
- Backport upstream commits a01baccaf40bafcabddba47846f5e914ca0724f6
  and d506bccdcecd7133ab12daa4ebcfbbb75d40641f

References:
https://github.com/strukturag/libheif/commit/a01baccaf40bafcabddba47846f5e914ca0724f6
https://github.com/strukturag/libheif/commit/d506bccdcecd7133ab12daa4ebcfbbb75d40641f

PR:		266346
Approved by:	portmgr (maintainer timeout, 2+ weeks)

graphics/libheif/Makefile

 PORTNAME=	libheif
-DISTVERSIONPREFIX=	v
 DISTVERSION=	1.13.0
+PORTREVISION=	1
 CATEGORIES=	graphics
+MASTER_SITES=	https://github.com/strukturag/${PORTNAME}/releases/download/v${DISTVERSION}/
+
+PATCH_SITES=	https://github.com/strukturag/${PORTNAME}/commit/
+PATCHFILES=	a01baccaf40bafcabddba47846f5e914ca0724f6.patch:-p1 \
+		d506bccdcecd7133ab12daa4ebcfbbb75d40641f.patch:-p1
 
 MAINTAINER=	makc@FreeBSD.org
 COMMENT=	ISO/IEC 23008-12:2017 HEIF file format de- and encoder
@@ -16,9 +21,6 @@ CPE_VENDOR=	struktur
 USE_GNOME=	gdkpixbuf2 glib20
 USE_LDCONFIG=	yes
 
-USE_GITHUB=	yes
-GH_ACCOUNT=	strukturag
-
 OPTIONS_DEFINE=		AOM DAV1D EXAMPLES LIBDE265 RAV1E X265
 OPTIONS_DEFAULT=	AOM DAV1D LIBDE265 X265
 

graphics/libheif/distinfo

-TIMESTAMP = 1662147626
-SHA256 (strukturag-libheif-v1.13.0_GH0.tar.gz) = 50def171af4bc8991211d6027f3cee4200a86bbe60fddb537799205bf216ddca
-SIZE (strukturag-libheif-v1.13.0_GH0.tar.gz) = 1275481
+TIMESTAMP = 1662837293
+SHA256 (libheif-1.13.0.tar.gz) = c20ae01bace39e89298f6352f1ff4a54b415b33b9743902da798e8a1e51d7ca1
+SIZE (libheif-1.13.0.tar.gz) = 1703950
+SHA256 (a01baccaf40bafcabddba47846f5e914ca0724f6.patch) = 0f910768a2e031b2171c477bcfb9e82d03d970abcd1bbd6dc0ec3ce06fa2ec2c
+SIZE (a01baccaf40bafcabddba47846f5e914ca0724f6.patch) = 1484
+SHA256 (d506bccdcecd7133ab12daa4ebcfbbb75d40641f.patch) = aa6d600969f624bb69e1f4516bfb618998e74fbff96a414322f2e7cfc5e0a4f7
+SIZE (d506bccdcecd7133ab12daa4ebcfbbb75d40641f.patch) = 2138