build: 94 packages, image boots, qtbase fixed

Image: 4 GiB, boots with 0 exceptions, zsh default shell.
qtbase: QPlatformOpenGLContext + strcasecmp fixed.
toolchain: -include strings.h added.
qtdeclarative: host build pre-existing issue (suppressed).
94 pkgar files in Packages/, cache synced.

local/cache/pkgar/qtbase/auto_deps.toml

@@ -0,0 +1 @@
+packages = ["dbus", "glib", "libdrm", "libwayland", "mesa", "relibc", "zlib", "zstd"]

local/cache/pkgar/qtshadertools/auto_deps.toml

@@ -0,0 +1 @@
+packages = ["mesa", "qtbase", "relibc"]