[libvpx] resolve bash by PATH rather then hard-coding its' location (#35605)

ports/libvpx/portfile.cmake

@@ -19,12 +19,12 @@ get_filename_component(PERL_EXE_PATH ${PERL} DIRECTORY)
 
 if(CMAKE_HOST_WIN32)
     vcpkg_acquire_msys(MSYS_ROOT PACKAGES make)
-    set(BASH ${MSYS_ROOT}/usr/bin/bash.exe)
     set(ENV{PATH} "${MSYS_ROOT}/usr/bin;$ENV{PATH};${PERL_EXE_PATH}")
 else()
-    set(BASH /bin/bash)
     set(ENV{PATH} "${MSYS_ROOT}/usr/bin:$ENV{PATH}:${PERL_EXE_PATH}")
 endif()
+find_program(BASH NAME bash HINTS ${MSYS_ROOT}/usr/bin REQUIRED NO_CACHE)
+
 
 vcpkg_find_acquire_program(NASM)
 get_filename_component(NASM_EXE_PATH ${NASM} DIRECTORY)

ports/libvpx/vcpkg.json

@@ -1,6 +1,7 @@
 {
   "name": "libvpx",
   "version": "1.13.1",
+  "port-version": 1,
   "description": "The reference software implementation for the video coding formats VP8 and VP9.",
   "homepage": "https://github.com/webmproject/libvpx",
   "license": "BSD-3-Clause",

versions/baseline.json

@@ -5010,7 +5010,7 @@
     },
     "libvpx": {
       "baseline": "1.13.1",
-      "port-version": 0
+      "port-version": 1
     },
     "libwandio": {
       "baseline": "4.2.1",

versions/l-/libvpx.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "88491a53de6cdc69ec82882d44aab8cf3b315577",
+      "version": "1.13.1",
+      "port-version": 1
+    },
     {
       "git-tree": "1484fb529e99fdedd95f2b46f65738a9e95fcaa1",
       "version": "1.13.1",