biology/bio-mocha: Update bcftools submodule to 1.15

Compatibility confirmed with upstream

biology/bio-mocha/Makefile

 PORTNAME=	bio-mocha
 DISTVERSION=	1.14
+PORTREVISION=	1
 CATEGORIES=	biology
 MASTER_SITES=	https://software.broadinstitute.org/software/mocha/
 DISTFILES+=	${PORTNAME}_${DISTVERSION}-20220112.tar.gz
@@ -19,7 +20,7 @@ USE_PERL5=	test
 
 GH_ACCOUNT=	samtools
 GH_PROJECT=	bcftools
-GH_TAGNAME=	1.14
+GH_TAGNAME=	1.15
 GNU_CONFIGURE=	yes
 SHEBANG_FILES=	misc/* test/test.pl
 

biology/bio-mocha/distinfo

-TIMESTAMP = 1642078792
+TIMESTAMP = 1645832006
 SHA256 (bio-mocha_1.14-20220112.tar.gz) = 189a522418f12cbb04e6c5ccae130dbae1682907808f4cb594af4ff386651068
 SIZE (bio-mocha_1.14-20220112.tar.gz) = 75910
-SHA256 (samtools-bcftools-1.14_GH0.tar.gz) = c9a814b1f0a13af19b45283f039d01b524e011d870ac95cd92e6907c3d1db6d1
-SIZE (samtools-bcftools-1.14_GH0.tar.gz) = 3326994
+SHA256 (samtools-bcftools-1.14-1.15_GH0.tar.gz) = 6b263270c62b156d2604150ca7e64b06a80282e049759b2668de24cbce1b1946
+SIZE (samtools-bcftools-1.14-1.15_GH0.tar.gz) = 3347901