add yaml extension

README.md

@@ -19,6 +19,7 @@ php-pecl-psr
 php-pecl-raphf
 php-pecl-rpminfo
 php-pecl-uuid
+php-pecl-yaml
 ---- 2 ----
 php-pecl-http       needs: propro, raphf
 php-pecl-memcached  needs: igbinary, msgpack

php-extras.yaml

@@ -83,6 +83,10 @@ data:
         rationale: uuid extension
         ref: epel-8-php-7.3
         buildorder: 2
+      php-pecl-yaml:
+        rationale: yaml extension
+        ref: epel-8-php-7.3
+        buildorder: 2
       php-pecl-http:
         rationale: http extension
         ref: epel-8-php-7.3