chore(ci) test OpenResty 1.19.3.1 and cleanup matrix

Author: thibaultcha

.travis.yml

@@ -21,17 +21,15 @@ env:
     - LUAROCKS=3.4.0
     - TEST_NGINX_RANDOMIZE=1
   matrix:
+    - OPENRESTY=1.19.3.1
     - OPENRESTY=1.17.8.2
     - OPENRESTY=1.17.8.1
     - OPENRESTY=1.15.8.3
-    - OPENRESTY=1.15.8.2
     - OPENRESTY=1.15.8.1
     - OPENRESTY=1.13.6.2
     - OPENRESTY=1.13.6.1
     - OPENRESTY=1.11.2.5
-    - OPENRESTY=1.11.2.4
-    - OPENRESTY=1.11.2.3
-    - OPENRESTY=1.11.2.2
+    - OPENRESTY=1.11.2.1
 
 before_install:
   - mkdir -p download-cache

README.md

@@ -159,17 +159,11 @@ Tests matrix results:
 | OpenResty   | Compatibility
 |------------:|:--------------------|
 | <           | not tested
-| `1.11.2.2`  | :heavy_check_mark:
-| `1.11.2.3`  | :heavy_check_mark:
-| `1.11.2.4`  | :heavy_check_mark:
-| `1.11.2.5`  | :heavy_check_mark:
-| `1.13.6.1`  | :heavy_check_mark:
-| `1.13.6.2`  | :heavy_check_mark:
-| `1.15.8.1`  | :heavy_check_mark:
-| `1.15.8.2`  | :heavy_check_mark:
-| `1.15.8.3`  | :heavy_check_mark:
-| `1.17.8.1`  | :heavy_check_mark:
-| `1.17.8.2`  | :heavy_check_mark:
+| `1.11.2.x`  | :heavy_check_mark:
+| `1.13.6.x`  | :heavy_check_mark:
+| `1.15.8.x`  | :heavy_check_mark:
+| `1.17.8.x`  | :heavy_check_mark:
+| `1.19.3.x`  | :heavy_check_mark:
 | >           | not tested
 
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