ports-mgmt/pkg-devel: update to 1.20.99.5

Changes:
- fix a regression introduce with switch to libcurl which results in
  the remote db mtime being badly set
- fix a regression which makes pkg query report twice some packages
  when configured in multirepository mode.
- fix a compatibility issue with http_proxy env var (lowercase)
- update libcurl to latest version
- introduce PKG_EVENT_PKG_ERRNO new event type

ports-mgmt/pkg-devel/Makefile

@@ -1,5 +1,5 @@
 PORTNAME=	pkg
-DISTVERSION=	1.20.99.4
+DISTVERSION=	1.20.99.5
 _PKG_VERSION=	${DISTVERSION}
 CATEGORIES=	ports-mgmt
 PKGNAMESUFFIX=	-devel
@@ -12,7 +12,7 @@ LICENSE=	BSD2CLAUSE
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	freebsd
-GH_TAGNAME=	0506a9bf
+GH_TAGNAME=	1b51004c
 
 CFLAGS+=	-O0 -g -Wno-error
 USE_LDCONFIG=	${PREFIX}/lib/compat/pkg

ports-mgmt/pkg-devel/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1689155293
-SHA256 (freebsd-pkg-1.20.99.4-0506a9bf_GH0.tar.gz) = 0c9f5f683c0b2f249d5d816e316c3f59a3b3a1e00d5d53e003b507c437327eaf
-SIZE (freebsd-pkg-1.20.99.4-0506a9bf_GH0.tar.gz) = 8242516
+TIMESTAMP = 1690878512
+SHA256 (freebsd-pkg-1.20.99.5-1b51004c_GH0.tar.gz) = cab425f622573f8742b33d500b8ca9d388d696bab01808d33fdb5710b2f31c32
+SIZE (freebsd-pkg-1.20.99.5-1b51004c_GH0.tar.gz) = 8269284