fix: requested grammer fixes

Author: raphael-goetz

definitions/standard/runtime_definition/text/std_text_as_bytes.proto.json

@@ -22,7 +22,7 @@
       "documentation": [
         {
           "code": "en-US",
-          "content": "Converts the input text string into an list of byte values."
+          "content": "Converts the input text string into a list of byte values."
         }
       ]
     }
@@ -54,13 +54,13 @@
   "description": [
     {
       "code": "en-US",
-      "content": "Converts a text string into an list of byte values."
+      "content": "Converts a text string into a list of byte values."
     }
   ],
   "documentation": [
     {
       "code": "en-US",
-      "content": "Returns an list of bytes representing the UTF-8 encoding of the given text."
+      "content": "Returns a list of bytes representing the UTF-8 encoding of the given text."
     }
   ],
   "alias": [

definitions/standard/runtime_definition/text/std_text_chars.proto.json

@@ -22,7 +22,7 @@
       "documentation": [
         {
           "code": "en-US",
-          "content": "Splits the input text string into an list of its constituent characters."
+          "content": "Splits the input text string into a list of its constituent characters."
         }
       ]
     }
@@ -54,13 +54,13 @@
   "description": [
     {
       "code": "en-US",
-      "content": "Returns an list containing each character from the given text string."
+      "content": "Returns a list containing each character from the given text string."
     }
   ],
   "documentation": [
     {
       "code": "en-US",
-      "content": "Creates an list where each element is a single character from the original text."
+      "content": "Creates a list where each element is a single character from the original text."
     }
   ],
   "alias": [