submodules: bump meson to 0.55.3

This adds some bugfixes, and allows MSYS2 to configure
without "--ninja=ninja".

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/.cirrus.yml b/.cirrus.yml
index 99d1182..0f46cb5 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -123,8 +123,7 @@
 
   script:
     - C:\tools\msys64\usr\bin\bash.exe -lc "mkdir build"
-    - C:\tools\msys64\usr\bin\bash.exe -lc "cd build && ../configure
-      --python=python3 --ninja=ninja"
+    - C:\tools\msys64\usr\bin\bash.exe -lc "cd build && ../configure --python=python3"
     - C:\tools\msys64\usr\bin\bash.exe -lc "cd build && make -j8"
   test_script:
     - C:\tools\msys64\usr\bin\bash.exe -lc "cd build && make V=1 check"
diff --git a/configure b/configure
index f839c2a..df412c4 100755
--- a/configure
+++ b/configure
@@ -1866,7 +1866,7 @@
 python="$python -B"
 
 if test -z "$meson"; then
-    if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.1; then
+    if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.3; then
         meson=meson
     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
         meson=git
diff --git a/meson b/meson
index 68ed748..776acd2 160000
--- a/meson
+++ b/meson
@@ -1 +1 @@
-Subproject commit 68ed748f84f14c2d4e62dcbd123816e5898eb04c
+Subproject commit 776acd2a805c9b42b4f0375150977df42130317f