CLSA-2026-1778133583 vim: Fix of 10 CVEs

CVE-2022-0158: fix Vim9 reading before start of line with single $ - CVE-2022-0696: fix crash when switching tabpage in cmdline window - CVE-2022-1674: fix crash when matching buffer with invalid pattern - CVE-2022-1725: fix using NULL regexp program in buffer matching - CVE-2022-1771: fix...