oss-fuzz: temporarily pin meson to v0.52.1

See: mesonbuild/meson#6427

Author: mrc0mmand

tools/oss-fuzz.sh

@@ -32,6 +32,10 @@ if [ -z "$FUZZING_ENGINE" ]; then
         fuzzflag="llvm-fuzz=true"
 fi
 
+# FIXME: temporarily pin the meson version as 0.53 doesn't work with older python 3.5
+# See: https://github.com/mesonbuild/meson/issues/6427
+pip3 install meson==0.52.1
+
 meson $build -D$fuzzflag \
       -Db_lundef=false \
       -Dlibzstd=disabled \